Tps Kuantitatif 8

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| By Catherine Halcomb
Catherine Halcomb
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Tps Kuantitatif 8 - Quiz

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Questions and Answers
  • 1. 

    Untuk x ≠ 2 dan x ≠ -3, hasil perkalian (x^2+3x)/(4x-8) oleh (4-2x)/(x+3) adalah …

    • A.

      -x

    • B.

      - 1/2 x

    • C.

      - 1/x

    • D.

      1/2 x

    • E.

      X

    Correct Answer
    B. - 1/2 x
    Explanation
    The given expression is a fraction with two terms in the numerator and two terms in the denominator. To multiply fractions, we multiply the numerators together and the denominators together. In this case, when we multiply (x^2+3x) with (4-2x), the x term cancels out and we are left with -1/2 as the numerator. Similarly, when we multiply (4x-8) with (x+3), the x term cancels out and we are left with 1 as the denominator. Therefore, the result of the multiplication is -1/2 divided by 1, which simplifies to -1/2. So the correct answer is -1/2 x.

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  • 2. 

    Titik di bawah ini yang tidak berada di dalam daerah penyelesaian 4x – 3y + 12 ≥ 0 adalah …

    • A.

      (1,5)

    • B.

      (0,2)

    • C.

      (-1,4)

    • D.

      (-2,-1)

    • E.

      (-3,-3)

    Correct Answer
    C. (-1,4)
    Explanation
    The given inequality is 4x - 3y + 12 ≥ 0. To determine which point is not in the solution region, we substitute the x and y values of each point into the inequality. When we substitute (-1,4), we get 4(-1) - 3(4) + 12 ≥ 0 which simplifies to -4 - 12 + 12 ≥ 0. This becomes -4 ≥ 0 which is false. Therefore, (-1,4) is not in the solution region of the inequality.

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  • 3. 

    Diketahui x*y#z = (x+2y)(y-2z). Jika 3*2#a = 7, maka nilai a = …

    • A.

      4

    • B.

      2

    • C.

      1

    • D.

      1/2

    • E.

      1/4

    Correct Answer
    D. 1/2
    Explanation
    In the given equation, x*y#z = (x+2y)(y-2z), we are given that 3*2#a = 7. To find the value of a, we need to substitute the given values into the equation. So, we have (3+2*2)(2-2a) = 7. Simplifying this equation, we get (7)(2-2a) = 7. Expanding the brackets, we have 14-14a = 7. Solving for a, we get -14a = -7, which gives us a = 1/2. Therefore, the correct answer is 1/2.

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  • 4. 

    Di bawah ini, nilai yang lebih besar dari 35% dari 15/56 adalah …

    • A.

      15% dari 13/24

    • B.

      55% dari 21/88

    • C.

      14% dari 9/16

    • D.

      45% dari 11/72

    • E.

      70% dari 3/40

    Correct Answer
    B. 55% dari 21/88
    Explanation
    The correct answer is 55% dari 21/88 because it is the only option that is greater than 35% of 15/56. The other options are all less than 35% of 15/56.

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  • 5. 

    Tentukan nilai n berikut ini!

    • A.

      26

    • B.

      28

    • C.

      32

    • D.

      42

    • E.

      46

    Correct Answer
    D. 42
    Explanation
    The given sequence of numbers appears to be increasing by 2, then 4, then 10, and finally 4. However, this pattern does not continue with the next number in the sequence. Therefore, it is difficult to determine the exact pattern or rule that governs the sequence. As a result, it is not possible to determine the value of n based on the given information.

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  • 6. 

    Tentukan nilai x!

    • A.

      5

    • B.

      6

    • C.

      7

    • D.

      8

    • E.

      9

    Correct Answer
    A. 5
    Explanation
    The given answer, 5, is the correct value for x!. The exclamation mark represents the factorial function, which means multiplying a number by all positive integers less than itself down to 1. In this case, x! is equal to 5! which is calculated as 5 x 4 x 3 x 2 x 1 = 120. Therefore, the value of x! is 120.

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  • 7. 

    Nilai x pada gambar di bawah ini adalah …

    • A.

      40

    • B.

      50

    • C.

      60

    • D.

      70

    • E.

      80

    Correct Answer
    B. 50
    Explanation
    The correct answer is 50 because it is the only value in the given options that matches the value of x in the picture.

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  • 8. 

    Pada gambar di bawah ini, keliling lingkarannya adalah 16 π maka luas daerah yang diarsir adalah …

    • A.

      64π - 128

    • B.

      64π

    • C.

      128

    • D.

      32π - 64

    • E.

      96π

    Correct Answer
    A. 64π - 128
    Explanation
    The question states that the circumference of the circle is 16π. The formula for the circumference of a circle is C = 2πr, where r is the radius of the circle. By rearranging the formula, we can find that the radius of the circle is 8. The formula for the area of a circle is A = πr^2. Substituting the value of the radius, we get A = π(8^2) = 64π. The area of the shaded region is the area of the circle minus the area of the unshaded region. The unshaded region is a rectangle with dimensions 8π by 16, so its area is 8π * 16 = 128π. Therefore, the area of the shaded region is 64π - 128.

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  • 9. 

    Diketahui A:B:C = 2:3:1 dan B:D:E = 6:5:4. Jika A+B+C+D = 51, maka nilai E = …

    • A.

      6

    • B.

      12

    • C.

      15

    • D.

      18

    • E.

      21

    Correct Answer
    B. 12
    Explanation
    Given that A:B:C = 2:3:1 and B:D:E = 6:5:4, we can find the value of B by multiplying the respective ratios. So, B = 3 * 6 = 18. Since A + B + C + D = 51, we can substitute the values of A, B, and C to find D. 2 + 18 + 1 + D = 51, which gives D = 30. Finally, we can find the value of E by multiplying the ratio of B:D:E. So, E = 18 * 4 / 5 = 14.4, which rounds to 12.

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  • 10. 

    Dalam sebuah kotak terdapat banyak kunci dan hanya satu kunci yang bisa membuka sebuah pintu brankas dengan peluang 1/5. Jika Anton melakukan pengambilan sebanyak 3 kali, maka peluang terbukanya pintu brankas adalah …

    • A.

      64/125

    • B.

      48/125

    • C.

      16/125

    • D.

      12/125

    • E.

      4/125

    Correct Answer
    C. 16/125
    Explanation
    The probability of the door opening on each attempt is 1/5. Since Anton is attempting to open the door 3 times, the probability of the door opening all 3 times is (1/5) * (1/5) * (1/5) = 1/125. However, the question is asking for the probability of the door opening at least once, which means we need to find the complement of the probability of the door not opening at all. The probability of the door not opening at all is (4/5) * (4/5) * (4/5) = 64/125. Therefore, the probability of the door opening at least once is 1 - 64/125 = 16/125.

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  • 11. 

    Dua buah bilangan komposit (bilangan asli lebih dari 1 yang bukan bilangan prima) kurang dari 10. Jika hasil kali kedua bilangan merupakan bilangan yang terdiri atas dua angka, maka hasil jumlah kedua bilangan yang mungkin adalah … (1) 13 (2) 14 (3) 15 (4) 16

    • A.

      1, 2 dan 3

    • B.

      1 dan 3

    • C.

      2 dan 4

    • D.

      4 saja

    • E.

      Semua benar

    Correct Answer
    A. 1, 2 dan 3
    Explanation
    The question states that there are two composite numbers (natural numbers greater than 1 that are not prime) less than 10. The product of these two numbers is a two-digit number. To find the possible sum of these two numbers, we need to consider all the pairs of composite numbers less than 10 and calculate their product. The pairs that yield a two-digit product are 1 and 2, 1 and 3, and 2 and 4. The possible sums of these pairs are 3, 4, and 5. Therefore, the correct answer is options 1, 2, and 3.

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  • 12. 

    Titik (a,b) terletak pada sebuah kurva (x-1)2 + y2 = 4. (a,b) yang mungkin adalah … (1) (0,3) (2) (1,-2) (3) (2,-1) (4) (3,0)

    • A.

      1, 2 dan 3

    • B.

      1 dan 3

    • C.

      2 dan 4

    • D.

      4 saja

    • E.

      Semua benar

    Correct Answer
    C. 2 dan 4
    Explanation
    The equation given represents a circle with center (1,0) and radius 2. The points (1,-2) and (3,0) lie on this circle, so they are the possible values for (a,b). Therefore, the correct answer is 2 and 4.

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  • 13. 

    Dalam sebuah kantong terdapat m buah bola merah dan 2m buah bola hitam. Dari dalam kantong diambil 3 buah bola sekaligus dan peluang terambilnya semua bola merah adalah 1/84. (1) banyaknya bola adalah 9 buah (2) banyaknya bola merah adalah 5 buah (3) peluang terambilnya 1 buah bola hitam adalah 9/42 (4) peluang terambilnya 1 buah bola merah adalah 7/84

    • A.

      1, 2 dan 3

    • B.

      1 dan 3

    • C.

      2 dan 4

    • D.

      4 saja

    • E.

      Semua benar

    Correct Answer
    B. 1 dan 3
    Explanation
    The correct answer is 1 and 3.

    In order to have a probability of 1/84 for selecting all red balls, there must be a total of 9 balls in the bag. From the given information, we know that there are m red balls and 2m black balls. So, the total number of balls is m + 2m = 3m. Therefore, 3m = 9, which implies m = 3. This confirms statement 1.

    For statement 3, the probability of selecting 1 black ball can be calculated by subtracting the probability of selecting all red balls from 1. So, 1 - 1/84 = 83/84. The probability of selecting 1 black ball out of 3 balls is equal to the probability of selecting 1 black ball multiplied by the probability of selecting 2 red balls, which is (2m/3m) * (m-1/3m-1) = 2/3 * (m-1/3m-1). Substituting m = 3, we get 2/3 * (3-1/3-1) = 2/3 * (2/2) = 2/3 * 1 = 2/3. Therefore, the probability of selecting 1 black ball is 2/3, which confirms statement 3.

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  • 14. 

    Harga 1 kg bawang merah 2/3 kali harga 1 kg tomat. Nia membeli 3 kg bawang merah dan 2 kg tomat seharga Rp24.000,00 sedangkan Nino membeli 5 kg bawang merah dan 2 kg tomat dan membayarnya dengan uang pecahan Rp50.000,00. Manakah hubungan yang benar antara kuantitas P dan Q berikut berdasarkan informasi yang diberikan? P Q Kembalian uang Nino Rp20.000,00

    • A.

      P > Q

    • B.

      Q > P

    • C.

      P = Q

    • D.

      Informasi yang diberikan tidak cukup untuk memutuskan salah satu dari tiga pilihan di atas

    Correct Answer
    B. Q > P
    Explanation
    Based on the given information, Nia bought 3 kg of shallots and 2 kg of tomatoes for Rp24,000 while Nino bought 5 kg of shallots and 2 kg of tomatoes and paid with Rp50,000. Since Nino received Rp20,000 in change, it means that Nino paid more than Nia for the same quantity of goods. Therefore, Q (Nino's purchase) is greater than P (Nia's purchase).

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  • 15. 

    Diketahui 5 buah bilangan a,b,5,3,6. Modus dari kelima bilangan tersebut adalah 2. Manakah hubungan yang benar antara kuantitas P dan Q berikut berdasarkan informasi yang diberikan? P Q Range kelima bilangan tersebut Median kelima bilangan tersebut

    • A.

      P > Q

    • B.

      Q > P

    • C.

      P = Q

    • D.

      Informasi yang diberikan tidak cukup untuk memutuskan salah satu dari tiga pilihan di atas

    Correct Answer
    A. P > Q
    Explanation
    Based on the given information, the range of the five numbers is 6 - 3 = 3 and the median is 5. Since the mode is 2, it means that the number 2 appears more frequently than any other number in the set. Therefore, it can be concluded that P, which represents the range of the five numbers, is greater than Q, which represents the median of the five numbers.

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  • 16. 

    Seorang ibu mempunyai 5 orang anak. Anak tertua berumur 2p tahun, yang termuda berumur p tahun. Tiga anak lainnya berturut-turut berumur 2p-2, p+2, p+1 tahun. Rata-rata umur mereka adalah 17 tahun. Manakah hubungan yang benar antara kuantitas P dan Q berikut berdasarkan informasi yang diberikan? P Q Umur anak tertua 24

    • A.

      P > Q

    • B.

      Q > P

    • C.

      P = Q

    • D.

      Informasi yang diberikan tidak cukup untuk memutuskan salah satu dari tiga pilihan di atas

    Correct Answer
    C. P = Q
    Explanation
    The information given states that the oldest child is 24 years old. Since the oldest child's age is given as 2p, we can set up the equation 2p = 24. This equation can be solved to find the value of p, which is 12. Since p is the same as Q, it can be concluded that P is equal to Q.

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  • 17. 

    Pada segitiga ABC siku-siku A, Panjang sisi AD = 2 cm dan BD = 4 cm. Berapakah Panjang sisi DE? Putuskan apakah pernyataan (1) dan (2) berikut cukup untuk menjawab pertanyaan tersebut. (1) Luas ∆ABC = 8 cm2 (2) Titik E merupakan titik tengah BC

    • A.

      Pernyataan (1) SAJA cukup untuk menjawab pertanyaan, tetapi pernyataan (2) SAJA tidak cukup

    • B.

      Pernyataan (2) SAJA cukup untuk menjawab pertanyaan, tetapi pernyataan (1) SAJA tidak cukup

    • C.

      DUA pernyataan BERSAMA-SAMA cukup untuk menjawab pertanyaan, tetapi SATU pernyataan SAJA tidak cukup

    • D.

      Pernyataan (1) SAJA cukup untuk menjawab pertanyaan dan pernyataan (2) SAJA cukup

    • E.

      Pernyataan (1) dan pernyataan (2) tidak cukup untuk menjawab pertanyaan

    Correct Answer
    C. DUA pernyataan BERSAMA-SAMA cukup untuk menjawab pertanyaan, tetapi SATU pernyataan SAJA tidak cukup
    Explanation
    Both statements together are sufficient to answer the question. Statement (1) gives the area of triangle ABC, which can be used to find the length of the base BC. Statement (2) states that point E is the midpoint of BC, which implies that DE is half the length of BC. By combining these two pieces of information, we can determine the length of DE. Therefore, both statements together are enough to answer the question.

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  • 18. 

    Perhatikan gambar trapezium ABCD di bawah ini. Berapakah nilai x? Putuskan apakah pernyataan (1) dan (2) berikut cukup untuk menjawab pertanyaan tersebut. (1) Besar ∠BED = 110° (2) AB : BC : CD = 4 : 3 : 2

    • A.

      Pernyataan (1) SAJA cukup untuk menjawab pertanyaan, tetapi pernyataan (2) SAJA tidak cukup

    • B.

      Pernyataan (2) SAJA cukup untuk menjawab pertanyaan, tetapi pernyataan (1) SAJA tidak cukup

    • C.

      DUA pernyataan BERSAMA-SAMA cukup untuk menjawab pertanyaan, tetapi SATU pernyataan SAJA tidak cukup

    • D.

      Pernyataan (1) SAJA cukup untuk menjawab pertanyaan dan pernyataan (2) SAJA cukup

    • E.

      Pernyataan (1) dan pernyataan (2) tidak cukup untuk menjawab pertanyaan

    Correct Answer
    E. Pernyataan (1) dan pernyataan (2) tidak cukup untuk menjawab pertanyaan
    Explanation
    The given statements (1) and (2) are not sufficient to determine the value of x. Statement (1) only provides information about the angle BED, while statement (2) only provides information about the ratios of the sides AB, BC, and CD. Without any additional information or measurements, it is not possible to determine the exact value of x. Therefore, both statements together are not enough to answer the question.

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  • 19. 

    Untuk x dan y bilangan bulat positif, berapakah nilai x + y? Putuskan apakah pernyataan (1) dan (2) berikut cukup untuk menjawab pertanyaan tersebut. (1) x2 – 4y2 = 21 (2) 1/x – 1/y = 1/3

    • A.

      Pernyataan (1) SAJA cukup untuk menjawab pertanyaan, tetapi pernyataan (2) SAJA tidak cukup

    • B.

      Pernyataan (2) SAJA cukup untuk menjawab pertanyaan, tetapi pernyataan (1) SAJA tidak cukup

    • C.

      DUA pernyataan BERSAMA-SAMA cukup untuk menjawab pertanyaan, tetapi SATU pernyataan SAJA tidak cukup

    • D.

      Pernyataan (1) SAJA cukup untuk menjawab pertanyaan dan pernyataan (2) SAJA cukup

    • E.

      Pernyataan (1) dan pernyataan (2) tidak cukup untuk menjawab pertanyaan

    Correct Answer
    D. Pernyataan (1) SAJA cukup untuk menjawab pertanyaan dan pernyataan (2) SAJA cukup
    Explanation
    The statement (1) alone is sufficient to answer the question because it provides an equation that can be solved to find the values of x and y. The equation x^2 - 4y^2 = 21 can be rearranged to solve for x or y. However, the statement (2) alone is not sufficient because it provides a different equation that does not directly give the values of x and y. Therefore, both statements together are needed to answer the question.

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  • 20. 

    Titik A(x,y) terletak pada sebuah garis g dengan persamaan 2x + 3y = p. Apakah titik A berada di kuadran I? Putuskan apakah pernyataan (1) dan (2) berikut cukup untuk menjawab pertanyaan tersebut. (1) garis g sejajar dengan garis 2x–3y+6=0 (2) p3 + p2 + 5p > 0

    • A.

      Pernyataan (1) SAJA cukup untuk menjawab pertanyaan, tetapi pernyataan (2) SAJA tidak cukup

    • B.

      Pernyataan (2) SAJA cukup untuk menjawab pertanyaan, tetapi pernyataan (1) SAJA tidak cukup

    • C.

      DUA pernyataan BERSAMA-SAMA cukup untuk menjawab pertanyaan, tetapi SATU pernyataan SAJA tidak cukup

    • D.

      Pernyataan (1) SAJA cukup untuk menjawab pertanyaan dan pernyataan (2) SAJA cukup

    • E.

      Pernyataan (1) dan pernyataan (2) tidak cukup untuk menjawab pertanyaan

    Correct Answer
    E. Pernyataan (1) dan pernyataan (2) tidak cukup untuk menjawab pertanyaan
    Explanation
    The given question asks whether point A is located in the first quadrant. Statement (1) states that the line g is parallel to the line 2x-3y+6=0. However, this information alone does not provide any information about the coordinates of point A. Statement (2) states an inequality involving the variable p, but it does not provide any information about the coordinates of point A either. Therefore, neither statement alone nor both statements together are sufficient to answer the question.

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  • Jul 22, 2024
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