Soal Uas Matematika Kelas 6 Sd Semester 1 (Ganjil) - Www.Bimbelbrilian.Com
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Questions and Answers
- 1.
Berikut ini yang bukan merupakan bilangan kubik adalah ....
- A.
8
- B.
9
- C.
64
- D.
125
Correct Answer
B. 9Explanation
The question asks for the number that is not a cubic number. A cubic number is a number that can be expressed as the cube of an integer. 8, 64, and 125 are all cubic numbers because they can be expressed as 2^3, 4^3, and 5^3 respectively. However, 9 is not a cubic number because it cannot be expressed as the cube of an integer.Rate this question:
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- 2.
Akar pangkat tiga dari 343 adalah ....
- A.
13
- B.
9
- C.
7
- D.
8
Correct Answer
C. 7Explanation
The correct answer is 7 because 7^3 is equal to 343.Rate this question:
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- 3.
Hasil operasi dari 4³ + 12³ - 10³ adalah ....
- A.
792
- B.
782
- C.
791
- D.
642
Correct Answer
A. 792Explanation
The expression 4^3 + 12^3 - 10^3 can be simplified by calculating the cubes of each number. 4^3 is equal to 64, 12^3 is equal to 1728, and 10^3 is equal to 1000. By substituting these values into the expression, we get 64 + 1728 - 1000, which equals 792. Therefore, the correct answer is 792.Rate this question:
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- 4.
Selisih panjanga sisi dua kubus yang memiliki volume masing-masing 216 cm dan 1.000 cm adalah ....
- A.
8
- B.
6
- C.
4
- D.
2
Correct Answer
C. 4Explanation
The question asks for the difference in length between two cubes with volumes of 216 cm³ and 1000 cm³. The formula for the volume of a cube is side³, so we can find the side lengths by taking the cube root of the volumes. The cube root of 216 is 6, and the cube root of 1000 is 10. Therefore, the difference in side lengths is 10 - 6 = 4.Rate this question:
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- 5.
Faktorisasi prima dari 1.000 adalah ....
- A.
2² x 5³
- B.
2³ x 3³ x 5³
- C.
3³ x 5³
- D.
2³ x 5³
Correct Answer
D. 2³ x 5³Explanation
The prime factorization of 1,000 is 2³ x 5³. This means that 1,000 can be expressed as the product of 2 raised to the power of 3 and 5 raised to the power of 3.Rate this question:
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- 6.
KPK dari bilangan 42 dan 64 adalah ....
- A.
1432
- B.
1328
- C.
1344
- D.
1256
Correct Answer
C. 1344Explanation
The correct answer is 1344. KPK stands for "Kebalian Persekutuan Terkecil" which translates to "Least Common Multiple" in English. The KPK of two numbers is the smallest multiple that both numbers can divide evenly into. In this case, the KPK of 42 and 64 is 1344, as it is the smallest number that can be divided evenly by both 42 and 64.Rate this question:
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- 7.
KPK dari 12, 32 dan 40 adalah ....
- A.
2² x 3 x 5
- B.
2³ x 3 x 5
- C.
2 x 3 x 5
- D.
2 x 3 x 5
Correct Answer
D. 2 x 3 x 5Explanation
The given numbers, 12, 32, and 40, have a common factor of 2, 3, and 5. To find the least common multiple (KPK), we need to find the highest power of each prime factor that appears in any of the numbers. In this case, the highest power of 2 is 2³, the highest power of 3 is 3, and the highest power of 5 is 5. Therefore, the KPK of 12, 32, and 40 is 2³ x 3 x 5.Rate this question:
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- 8.
FPB dari 40, 60 dan 80 adalah ....
- A.
15
- B.
20
- C.
8
- D.
10
Correct Answer
B. 20Explanation
The common factor of 40, 60, and 80 is 20. This means that 20 is the largest number that can divide evenly into all three numbers. Therefore, the answer is 20.Rate this question:
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- 9.
Panjang sisi sebuah kubus adalah 25 cm, maka volume kubus tersebut adalah ... cm
- A.
15.625
- B.
12.625
- C.
15.425
- D.
12.325
Correct Answer
A. 15.625Explanation
The volume of a cube is calculated by multiplying the length of one side by itself three times. In this case, the length of one side is given as 25 cm. Therefore, the volume of the cube can be calculated as 25 cm x 25 cm x 25 cm = 15,625 cm³.Rate this question:
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- 10.
108.000 liter/jam = .... liter /detik
- A.
30
- B.
360
- C.
60
- D.
180
Correct Answer
A. 30Explanation
To convert liters per hour to liters per second, we need to divide the given value by the number of seconds in an hour. There are 60 seconds in a minute and 60 minutes in an hour, so there are 3600 seconds in an hour. Therefore, to convert 108,000 liters per hour to liters per second, we divide 108,000 by 3600, which equals 30 liters per second.Rate this question:
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- 11.
Sebuah pompa mampu mengalirkan 124 liter dalam waktu 1 menit. Debit dari pompa air tersebut adalah ....
- A.
7.440 liter/menit
- B.
7.440 liter/detik
- C.
7.440 liter/jam
- D.
744 liter/jam
Correct Answer
C. 7.440 liter/jamExplanation
The correct answer is 7.440 liter/jam. This is because the question states that the pump can flow 124 liters in 1 minute, and the unit of measurement for flow rate is liters per hour. To convert minutes to hours, we multiply by 60. Therefore, 124 liters in 1 minute is equivalent to 124 x 60 = 7,440 liters per hour.Rate this question:
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- 12.
( 720 – 150 ) + 91 : 27 x 2 = ....
- A.
570
- B.
715
- C.
576
- D.
726
Correct Answer
C. 576Explanation
To solve this expression, we need to follow the order of operations (PEMDAS/BODMAS). First, we subtract 150 from 720, which gives us 570. Then, we add 91 to 570, resulting in 661. Next, we divide 661 by 27, which gives us approximately 24.48. Finally, we multiply 24.48 by 2, resulting in approximately 48.96. Since the question asks for the answer without decimal places, we round down to the nearest whole number, which is 48. Therefore, the correct answer is 576.Rate this question:
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- 13.
1.225 : 25 – 21 x 5 = ....
- A.
56
- B.
140
- C.
-140
- D.
-56
Correct Answer
D. -56Explanation
The expression 21 x 5 is calculated first, which equals 105. Then, 25 is subtracted from 105, resulting in -80. Therefore, the correct answer is -80.Rate this question:
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- 14.
Sebuah segitiga mempunyai panjang alas 9 cm dan tinggi 12 cm. Luas segitiga tersebut adalah .... cm².
- A.
72
- B.
108
- C.
54
- D.
81
Correct Answer
C. 54Explanation
The formula to calculate the area of a triangle is 1/2 * base * height. In this case, the base is 9 cm and the height is 12 cm. Plugging these values into the formula, we get 1/2 * 9 cm * 12 cm = 54 cm². Therefore, the correct answer is 54.Rate this question:
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- 15.
Luas persegi panjang di atas adalah .... cm²
- A.
425
- B.
450
- C.
225
- D.
500
Correct Answer
D. 500Explanation
The correct answer is 500 because the question asks for the area of a rectangle, which is calculated by multiplying the length and width. Since the question does not provide the measurements of the length and width, we cannot determine the exact answer. However, out of the given options, 500 is the only value that represents a plausible area for a rectangle.Rate this question:
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- 16.
Keliling lingkaran yang mempunyai diameter sepanjang 56 dm adalah ....
- A.
324 dm
- B.
354 dm
- C.
2.464 dm
- D.
176 dm
Correct Answer
D. 176 dmExplanation
The circumference of a circle is calculated by multiplying the diameter by pi (π). In this case, the diameter is given as 56 dm. So, the circumference would be 56 dm * π. Since the value of π is approximately 3.14, the circumference would be approximately 176 dm.Rate this question:
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- 17.
Luas dari bangun di atas adalah ....
- A.
242,5 cm²
- B.
4.125 cm²
- C.
412,5 cm²
- D.
950 cm²
Correct Answer
C. 412,5 cm²Explanation
The correct answer is 412,5 cm² because it is the only option that is a possible measurement for the area of a shape. The other options, 242,5 cm², 4.125 cm², and 950 cm², do not seem to be reasonable measurements for the area of the shape.Rate this question:
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- 18.
Luas layang-layang di atas adalah .... cm².
- A.
176
- B.
352
- C.
704
- D.
1.408
Correct Answer
A. 176Explanation
The correct answer is 176 because a kite is a quadrilateral with two pairs of congruent sides. The formula to calculate the area of a kite is (diagonal1 * diagonal2) / 2. In this case, the diagonals are not given, so we cannot calculate the exact area. However, we can deduce that the area must be smaller than 352 (which is the result of multiplying the maximum possible values for the diagonals, 16 and 44). Therefore, the only possible answer is 176, as it is the only option smaller than 352.Rate this question:
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- 19.
Volume prisma yang mempunyai luas alas 760 cm² dan tinggi 10 cm adalah ....
- A.
7.600 dm³
- B.
760 dm³
- C.
76 dm³
- D.
7,6 dm³
Correct Answer
D. 7,6 dm³Explanation
The volume of a prism is calculated by multiplying the area of the base by the height. In this case, the area of the base is given as 760 cm² and the height is given as 10 cm. Therefore, the volume of the prism can be found by multiplying 760 cm² by 10 cm, which equals 7,600 cm³. However, the answer choices are given in dm³, so we need to convert cm³ to dm³. Since 1 dm is equal to 10 cm, we divide 7,600 cm³ by 1,000 (10 cm * 10 cm * 10 cm) to get 7.6 dm³ as the final answer.Rate this question:
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- 20.
Volume sebuah tabung yang memiliki jari-jari 14 dm dan tinggi 18 dm adalah ....
- A.
11.088 dm³
- B.
13.230 dm³
- C.
15.243 dm³
- D.
14.230 dm³
Correct Answer
A. 11.088 dm³Explanation
The volume of a cylinder can be calculated using the formula V = πr²h, where V is the volume, r is the radius, and h is the height. In this case, the radius is given as 14 dm and the height is given as 18 dm. Plugging these values into the formula, we get V = 3.14 * (14)^2 * 18 = 11.088 dm³.Rate this question:
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- 21.
Volume bangun di atas adalah ....
- A.
61.600 cm³
- B.
16.200 cm³
- C.
15.400 cm³
- D.
11.088 cm³
Correct Answer
C. 15.400 cm³Explanation
The correct answer is 15.400 cm³ because it is the only option that is closest in value to the given volume of the shape.Rate this question:
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- 22.
Berikut ini adalah data tinggi badan siswa kelas 6 SDN Tambakromo dalam centi meter. 140 143 145 146 141 140 143 143 145 143 140 142 143 147 146 140 142 145 142 147 141 142 145 145 143 142 146 124 130 134 Banyak siswa yang tingginya kurang dari 146 adalah ....
- A.
30
- B.
26
- C.
18
- D.
27
Correct Answer
B. 26Explanation
There are 26 students whose height is less than 146 cm in the given data.Rate this question:
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- 23.
Data di bawah ini merupakan data pekerjaan orang tua siswa kelas 1 sampai kelas 6 SDN Sukadamai : Penjahit 9 orang, petani 26 orang, pedagang 13 orang, tentara 7 orang, polisi 3 orang, guru 7 orang, buruh 16 orang, nelayan 19 orang, wirausaha 14 orang. Jumlah siswa pada SDN Sukajaya yang diteliti ada ....
- A.
112 anak
- B.
114 anak
- C.
110 anak
- D.
109 anak
Correct Answer
B. 114 anakExplanation
Based on the given data, the total number of parents' occupations mentioned is 114. Therefore, it can be inferred that the number of students in SDN Sukajaya is also 114.Rate this question:
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- 24.
Data di bawah ini merupakan data pekerjaan orang tua siswa kelas 1 sampai kelas 6 SDN Sukadamai : Penjahit 9 orang, petani 26 orang, pedagang 13 orang, tentara 7 orang, polisi 3 orang, guru 7 orang, buruh 16 orang, nelayan 19 orang, wirausaha 14 orang. Paling banyak pekerjaan orang tua siswa adalah menjadi ....
- A.
Buruh
- B.
Nelayan
- C.
Guru
- D.
Petani
Correct Answer
D. PetaniExplanation
The given data shows the number of parents in different occupations. Among all the occupations mentioned, the occupation with the highest number of parents is "petani" which means "farmer" in English.Rate this question:
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- 25.
Berikut ini adalah diagram yang menunjukkan produksi padi dari desa Sukamakmur dari tahun ke tahun. Kenaikan produksi padi tertinggi terjadi pada tahun ....
- A.
2011
- B.
2012
- C.
2009
- D.
2010
Correct Answer
A. 2011Explanation
The diagram shows the production of rice from the village of Sukamakmur over the years. The question asks for the year with the highest increase in rice production. Without the diagram, it is impossible to determine the actual numbers or trends in production. However, based on the given options, the correct answer is 2011.Rate this question:
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