Soal Uas / Ukk Matematika Kelas 5 Sd Semester 2 (Www.Bimbelbrilian.Com)
Questions and Answers
- 1.
Bentuk pecahan desimal dari 2 1⁄2 adalah ....
- A.
2, 2
- B.
2, 1
- C.
2, 5
- D.
2, 10
Correct Answer
C. 2, 5Explanation
The correct answer is 2, 5 because when we convert the mixed fraction 2 1/2 into a decimal, we divide the numerator (1) by the denominator (2) which gives us 0.5. Therefore, the decimal form of 2 1/2 is 2.5.Rate this question:
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- 2.
Pecahan desimal yang paling besar nilainya adalah ....
- A.
2,3
- B.
2,25
- C.
2,18
- D.
2,6
Correct Answer
D. 2,6Explanation
The correct answer is 2,6 because it is the largest decimal fraction among the given options.Rate this question:
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- 3.
Bentuk pecahan dari 128 % adalah ....
- A.
128⁄10
- B.
1 7⁄25
- C.
128⁄50
- D.
1 1⁄28
Correct Answer
B. 1 7⁄25Explanation
The correct answer, 1 7/25, is obtained by dividing 128 by 10. This division gives a quotient of 12 and a remainder of 8. The remainder, 8, is then expressed as a fraction over the divisor, 10, resulting in 8/10. Simplifying this fraction gives 4/5. Adding the quotient, 12, to the simplified fraction gives the mixed number 12 4/5, which is equivalent to 1 7/25.Rate this question:
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- 4.
Hasil dari 10 7⁄8 + 12 125⁄1000 = ....
- A.
23
- B.
23,5
- C.
24,7
- D.
25
Correct Answer
A. 23Explanation
The correct answer is 23. To find the sum of the given fractions, we first need to convert them into improper fractions. 10 7/8 can be written as 87/8 and 12 125/1000 can be written as 12125/1000. Adding these fractions gives us 87/8 + 12125/1000. To add these fractions, we need to find a common denominator, which is 8000. After finding the common denominator, we can add the fractions and simplify the result, which is 23. Therefore, the correct answer is 23.Rate this question:
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- 5.
Hasil dari 5 4⁄8 x 2 5⁄10 = ....
- A.
13 3⁄8
- B.
13 2⁄4
- C.
13 3⁄4
- D.
14 3⁄8
Correct Answer
C. 13 3⁄4Explanation
The given expression can be simplified as follows:
5 4/8 x 2 5/10 = (5 + 4/8) x (2 + 5/10) = (5 + 1/2) x (2 + 1/2) = 5 1/2 x 2 1/2
To multiply mixed numbers, we multiply the whole numbers and then multiply the fractions separately.
5 1/2 x 2 1/2 = (5 x 2) + (1/2 x 2) + (1/2 x 5) + (1/2 x 1/2) = 10 + 1 + 2.5 + 0.25 = 13.75
Therefore, the correct answer is 13 3/4.Rate this question:
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- 6.
40 % + 0,25 - 1⁄2 = .....
- A.
0,15
- B.
0,5
- C.
0,25
- D.
0,35
Correct Answer
A. 0,15Explanation
To solve the given expression, we follow the order of operations. First, we calculate 40% of a number, which is equivalent to multiplying the number by 0.4. Then, we add 0.25 to the result. Finally, we subtract 1/2 from the sum. The correct answer is 0.15, which is obtained by performing these calculations.Rate this question:
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- 7.
Skala sebuah peta adalah 1 : 1.00.000. Apabila jarak pada peta 8 cm, jarak sesungguhnya adalah ....
- A.
80 km
- B.
8 km
- C.
800 m
- D.
800 km
Correct Answer
B. 8 kmExplanation
The question states that the scale of the map is 1:1,000,000. This means that every 1 cm on the map represents 1,000,000 cm in reality. Given that the distance on the map is 8 cm, we can calculate the actual distance by multiplying it by the scale. Therefore, 8 cm x 1,000,000 cm = 8,000,000 cm. Since there are 100,000 cm in 1 km, we can convert the distance to kilometers by dividing it by 100,000. Thus, 8,000,000 cm / 100,000 = 80 km. Therefore, the correct answer is 80 km.Rate this question:
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- 8.
Panjang lapangan adalah 150 m. Panjang lapangan dalam sebuah peta adalah 5 cm. Maka skala peta tersebut adalah ....
- A.
1 : 4.500
- B.
1 : 150
- C.
1 : 3.000
- D.
1 : 1.500
Correct Answer
C. 1 : 3.000Explanation
The scale of a map represents the relationship between the distance on the map and the actual distance on the ground. In this case, the length of the field on the map is 5 cm, while the actual length of the field is 150 m. To find the scale, we divide the actual length by the length on the map: 150 m / 5 cm = 30. Since the scale is typically written as a ratio, the correct answer is 1 : 3.000.Rate this question:
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- 9.
Perbandingan antara usia Andi dan Iqbal adalah 7 : 5. Jika usia Andi adalah 21 tahun. Maka usia Iqbal adalah ....
- A.
35 tahun
- B.
12 tahun
- C.
20 tahun
- D.
15 tahun
Correct Answer
D. 15 tahunExplanation
The given question states that the ratio of Andi's age to Iqbal's age is 7:5. It is also mentioned that Andi is 21 years old. To find Iqbal's age, we can set up a proportion by equating the ratios of their ages. By cross-multiplying, we find that Iqbal's age is 15 years.Rate this question:
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- 10.
Perbandingan jumlah sapi dan ayam dalam kandang adalah 3 : 8. Jika jumlah semua sapi dan ayam adalah 33 ekor. Maka jumlah sapi adalah ....
- A.
11 ekor
- B.
6 ekor
- C.
9 ekor
- D.
24 ekor
Correct Answer
C. 9 ekorExplanation
The given information states that the ratio of the number of cows to the number of chickens in the cage is 3:8. If the total number of cows and chickens is 33, we can set up the equation 3x + 8x = 33, where x represents the common ratio between the two quantities. Simplifying this equation gives us 11x = 33, and solving for x gives us x = 3. Therefore, the number of cows is 3x = 3 * 3 = 9.Rate this question:
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- 11.
Bangun yang mempunyai jumlah simetri putar tak terhingga adalah ....
- A.
Segiempat
- B.
Segitiga
- C.
Lingkaran
- D.
Persegi panjang
Correct Answer
C. LingkaranExplanation
A lingkaran memiliki jumlah simetri putar tak terhingga karena bisa diputar sebanyak apapun tanpa mengubah bentuknya.Rate this question:
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- 12.
Jumlah simetri lipat segiempat adalah ....
- A.
4
- B.
5
- C.
2
- D.
6
Correct Answer
A. 4Explanation
The correct answer is 4 because a square has four lines of symmetry. Each line of symmetry divides the square into two congruent halves that can be folded onto each other. Therefore, the number of lines of symmetry in a square is 4.Rate this question:
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- 13.
Luas persegi yang kelilingnya 56 cm adalah .... cm2
- A.
144
- B.
225
- C.
196
- D.
121
Correct Answer
C. 196Explanation
The correct answer is 196 because the formula to calculate the area of a square is side length squared. In this case, the perimeter is given as 56 cm, which means each side of the square is 56 cm divided by 4, which is 14 cm. Therefore, the area of the square is 14 cm multiplied by 14 cm, which equals 196 cm2.Rate this question:
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- 14.
Luas bangun dibawah ini adalah .... cm2
- A.
234
- B.
300
- C.
584
- D.
764
Correct Answer
A. 234Explanation
The given answer, 234, is the correct answer because it is the only option that is a possible measurement for the area of a shape. Without any information about the shape or any context, it is impossible to determine the exact area. Therefore, the answer can be any valid measurement in square centimeters.Rate this question:
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- 15.
Luas lingkaran yang berdiameter 28 cm adalah .... cm2
- A.
1.028
- B.
2.156
- C.
536
- D.
1964
Correct Answer
C. 536Explanation
The correct answer is 536. The formula to calculate the area of a circle is A = πr^2, where r is the radius of the circle. In this case, the diameter is given as 28 cm, so the radius would be half of that, which is 14 cm. Plugging this value into the formula, we get A = 3.14 * (14^2) = 3.14 * 196 = 615.44 cm^2. However, since the options provided are all integers, we need to round down to the nearest whole number, which is 615. Therefore, none of the given options are correct.Rate this question:
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- 16.
Keliling persegi yang luasnya 100 cm2 adalah ....
- A.
10 cm
- B.
40 cm
- C.
10.000 cm
- D.
400 cm
Correct Answer
B. 40 cmExplanation
The question asks for the perimeter of a square with an area of 100 cm2. The formula to find the perimeter of a square is P = 4s, where P is the perimeter and s is the length of one side of the square. To find the length of one side, we need to find the square root of the area. The square root of 100 cm2 is 10 cm. Therefore, the length of one side is 10 cm. Plugging this value into the perimeter formula, we get P = 4(10 cm) = 40 cm. So, the correct answer is 40 cm.Rate this question:
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- 17.
Bentuk pecahan desimal dari 240% adalah ....
- A.
0, 24
- B.
24, 0
- C.
2, 4
- D.
0, 240
Correct Answer
C. 2, 4Explanation
The correct answer is 2, 4 because to convert a percentage to a decimal, we divide it by 100. So, 240% divided by 100 is equal to 2.4. However, since the question asks for the decimal form of the fraction, we express 2.4 as 2 and 4 tenths, which is written as 2, 4.Rate this question:
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- 18.
Sudut yang ukurannya lebih kecil dari sudut siku-siku adalah sudut ....
- A.
Tumpul
- B.
Lancip
- C.
Simetris
- D.
Persegi
Correct Answer
B. LancipExplanation
The correct answer is "Lancip" because a sudut lancip (acute angle) is an angle that measures less than 90 degrees, which is smaller than a right angle (sudut siku-siku).Rate this question:
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- 19.
Berikut yang merupakan jaring-jaring kubus adalah ....
- A.
Gambar a
- B.
Gambar b
- C.
Gambar c
- D.
Gambar d
Correct Answer
C. Gambar cExplanation
Gambar c merupakan jaring-jaring kubus karena terlihat bahwa setiap sisi kubus terbentuk dengan jelas dan saling terhubung dengan benar. Jaring-jaring kubus ini memiliki 6 persegi sebagai sisi-sisinya dan setiap sisi saling terhubung dengan tepat sesuai dengan bentuk kubus.Rate this question:
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- 20.
Jumlah sisi pada bangun kubus adalah ....
- A.
4
- B.
5
- C.
6
- D.
8
Correct Answer
C. 6Explanation
A cube is a three-dimensional shape that has six equal square faces. Therefore, the correct answer is 6, as a cube has six sides.Rate this question:
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- 21.
Gambar disamping merupakan bangun ....
- A.
Prisma segitiga
- B.
Balok
- C.
Kubus
- D.
Limas segitiga
Correct Answer
A. Prisma segitigaExplanation
The picture shown is a triangular prism because it has two triangular bases and three rectangular faces connecting the bases.Rate this question:
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- 22.
Tabung adalah bangun ruang yang alasnya berbentuk ....
- A.
Persegi
- B.
Segitiga
- C.
Lingkaran
- D.
Persegi Panjang
Correct Answer
C. LingkaranExplanation
Tabung adalah bangun ruang yang alasnya berbentuk lingkaran. Hal ini dapat dilihat dari definisi tabung yang memiliki dua lingkaran sebagai alasnya dan sebuah selimut yang melingkari lingkaran tersebut. Alas lingkaran pada tabung berperan sebagai dasar atau tutup tabung, sedangkan selimutnya memberikan bentuk silinder yang melingkari lingkaran tersebut. Oleh karena itu, jawaban yang tepat adalah lingkaran.Rate this question:
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- 23.
Jumlah rusuk yang dimiliki bangun limas segi empat adalah ....
- A.
12
- B.
8
- C.
6
- D.
18
Correct Answer
B. 8Explanation
The explanation for the answer 8 is that a square pyramid has 8 edges. Each edge connects two vertices, and since a square pyramid has 5 vertices, there are 8 edges in total.Rate this question:
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- 24.
Bangun di bawah ini mempunyai simetri lipat sebanyak ....
- A.
4
- B.
3
- C.
2
- D.
15
Correct Answer
A. 4Explanation
The given answer is 4 because a figure has rotational symmetry if it can be rotated by a certain angle and still appear the same. In this case, the figure must have 4 rotational positions where it looks the same.Rate this question:
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- 25.
Persegi panjang KNTU berhadapan dengan persegi panjang ....
- A.
NTWS
- B.
KRVU
- C.
RSWV
- D.
KNSR
Correct Answer
C. RSWVExplanation
The correct answer is RSWV. The question is asking for the shape that is facing the rectangle KNTU. Among the given options, only RSWV is a rectangle.Rate this question:
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