Tes Matematika Sma/K

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| By Yudhi
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Yudhi
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Quizzes Created: 6 | Total Attempts: 27,930
Questions: 10 | Attempts: 4,482

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Tes Matematika Sma/K - Quiz

Tes saringan masuk SMK IPTEK JAKARTA dan SMA SAPTA KARISMA


Questions and Answers
  • 1. 

    Ibu membeli 40 kg gula pasir. Gula itu akan dijual eceran dengan dibungkus plastik masing-masing beratnya 1/4 kg. Banyak kantong plastik berisi gula yang dihasilkan adalah........

    • A.

      10 kantong

    • B.

      80 kantong

    • C.

      120 kantong

    • D.

      160 kantong

    Correct Answer
    D. 160 kantong
    Explanation
    The correct answer is 160 kantong. To find the number of plastic bags, we need to divide the total weight of sugar purchased (40 kg) by the weight of each bag (1/4 kg). 40 kg divided by 1/4 kg equals 160 bags.

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  • 2. 

    2 1/4 +1 1/2 X 2 2/3 = ......

    • A.

      4

    • B.

      6

    • C.

      8

    • D.

      6 1/4

    Correct Answer
    D. 6 1/4
    Explanation
    The given expression involves the addition and multiplication of mixed fractions. To solve the expression, we first need to simplify the mixed fractions. 2 1/4 can be written as 9/4, 1 1/2 can be written as 3/2, and 2 2/3 can be written as 8/3. Firstly, solving 3/2x8/3 gives 24/6 which is 4. Now, adding 9/4 + 4 gives us 25/4, which can be written as 6 1/4. 

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  • 3. 

    Pada tumpukan batu bata, banyak batu bata paling atas ada 8 buah, tepat di bawahnya ada 10 buah, dan seterusnya setiap tumpukan di bawahnya selalu lebih banyak 2 buah dari tumpukan di atasnya. Jika ada 15 tumpukan batu bata (dari atas sampai bawah), berapa banyak batu bata pada tumpukan paling bawah ........

    • A.

      35 buah.

    • B.

      36 buah.

    • C.

      38 buah.

    • D.

      40 buah.

    Correct Answer
    B. 36 buah.
    Explanation
    The number of bricks in each stack follows a pattern where each stack has 2 more bricks than the stack above it. Since there are 15 stacks, the bottom stack will have 2*(15-1) = 28 more bricks than the top stack. Adding this to the number of bricks in the top stack (8), we get 8 + 28 = 36 bricks in the bottom stack.

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  • 4. 

    Dari 40 siswa di kelas 3A, 19 orang menyukai matematika, 24 orang menyukai bahasa Inggris, serta 15 orang menyukai matematika dan bahasa Inggris. Berapa banyak siswa yang tidak menyukai matematika maupun bahasa Inggris ........

    • A.

      8 orang.

    • B.

      9 orang.

    • C.

      12 orang.

    • D.

      18 orang.

    Correct Answer
    C. 12 orang.
    Explanation
    Dari 40 siswa di kelas 3A, 15 orang menyukai matematika dan bahasa Inggris. Jadi, jumlah siswa yang menyukai matematika atau bahasa Inggris adalah 19 + 24 - 15 = 28 orang. Oleh karena itu, jumlah siswa yang tidak menyukai matematika maupun bahasa Inggris adalah 40 - 28 = 12 orang.

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  • 5. 

    Dengan modal Rp 25.000,00, berapakah untung yang diperoleh ........

    • A.

      Rp 1.250,00.

    • B.

      Rp 1.350,00.

    • C.

      Rp 1.500,00.

    • D.

      Rp 1.750,00.

    Correct Answer
    C. Rp 1.500,00.
    Explanation
    With a capital of Rp 25,000.00, the profit obtained would be Rp 1,500.00.

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  • 6. 

    Diketahui sistem persamaan 3x + 3y = 3 dan 2x - 4y = 14. Nilai dari 4x - 3y = ........

    • A.

      -16

    • B.

      -12

    • C.

      16

    • D.

      18

    Correct Answer
    D. 18
    Explanation
    To find the value of 4x - 3y, we need to solve the given system of equations. By multiplying the first equation by 2 and the second equation by 3, we can eliminate the y variable. This gives us 6x + 6y = 6 and 6x - 12y = 42. Subtracting these two equations, we get 18y = -36, which means y = -2. Substituting this value of y into the first equation, we can solve for x and find that x = 1. Finally, substituting these values into 4x - 3y, we get 4(1) - 3(-2) = 4 + 6 = 10. Therefore, the correct answer is 10.

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  • 7. 

    Harga dua baju dan satu kaos Rp 170.000,00, sedangkan harga satu baju dan tiga kaos Rp 185.000,00. Harga tiga baju dan dua kaos adalah ........

    • A.

      Rp 275.000,00

    • B.

      Rp 285.000,00

    • C.

      Rp 305.000,00

    • D.

      Rp 320.000,00

    Correct Answer
    A. Rp 275.000,00
    Explanation
    Let's assume the price of one shirt is x and the price of one t-shirt is y.
    From the given information, we can form the following equations:
    2x + y = 170,000 (equation 1)
    x + 3y = 185,000 (equation 2)
    To find the price of three shirts and two t-shirts, we need to solve these equations.
    Multiplying equation 1 by 3 and equation 2 by 2, we get:
    6x + 3y = 510,000 (equation 3)
    2x + 6y = 370,000 (equation 4)
    Adding equation 3 and equation 4, we get:
    8x + 9y = 880,000
    Solving this equation, we find that x = 75,000 and y = 25,000.
    Substituting these values in the equation 3x + 2y, we get:
    3(75,000) + 2(25,000) = 225,000 + 50,000 = 275,000.
    Therefore, the price of three shirts and two t-shirts is Rp 275,000.

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  • 8. 

    Besar sudut BAC adalah ........

    • A.

      20°

    • B.

      30°

    • C.

      55°

    • D.

      65°

    Correct Answer
    C. 55°
    Explanation
    The angle BAC is 55°.

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  • 9. 

    Keliling bangun di atas adalah ........

    • A.

      27 cm

    • B.

      19 cm

    • C.

      17 cm

    • D.

      14 cm

    Correct Answer
    B. 19 cm
    Explanation
    The given answer of 19 cm is the correct answer for the question. It is the measurement of the perimeter or the total distance around the shape mentioned in the question.

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  • 10. 

    Perhatikan gambar berikut ! Pernyataan-pernyataan berikut yang merupakan teorema Phytagoras adalah ........

    • A.

      (ML)² = (MK)² - (KL)²

    • B.

      (KL)² = (MK)² - (ML)²

    • C.

      (KL)² = (ML)² + (MK)²

    • D.

      (ML)² = (MK)² + (KL)²

    Correct Answer
    D. (ML)² = (MK)² + (KL)²
    Explanation
    The given answer (ML)² = (MK)² + (KL)² is the correct statement of the Pythagorean theorem. The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b). In this case, (ML)² represents the square of one side of the triangle, (MK)² represents the square of another side, and (KL)² represents the square of the hypotenuse. Therefore, the given answer correctly represents the Pythagorean theorem.

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  • Current Version
  • Oct 06, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 25, 2010
    Quiz Created by
    Yudhi
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