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Perbandingan kelereng Banu dan Udin 3:5 , Jika jumlah kelereng mereka 16 butir. Banyak kelereng Banu adalah...
A.
4
B.
6
C.
8
D.
10
Correct Answer
B. 6
Explanation The ratio of Banu's marbles to Udin's marbles is 3:5. If the total number of marbles is 16, we can set up the equation 3x + 5x = 16, where x represents the common multiplier. Simplifying the equation gives us 8x = 16, and dividing both sides by 8 gives us x = 2. Therefore, Banu has 3x = 3(2) = 6 marbles.
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2.
Perbandingan kelereng Ikhsan dan Robi 7 : 4 , Jika selisih kelereng mereka 15 butir. Banyak kelereng Robi adalah...
A.
10
B.
15
C.
20
D.
25
Correct Answer
C. 20
Explanation The ratio between Ikhsan and Robi's marbles is 7:4, and their difference in marbles is 15. To find the number of Robi's marbles, we can set up a proportion. Let's say Ikhsan has 7x marbles and Robi has 4x marbles. We can then set up the equation 7x - 4x = 15. Solving for x, we get x = 5. Therefore, Robi has 4x = 4(5) = 20 marbles.
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3.
Perbandingan kelereng Toni dan Joni 3:7 , Jika Kelereng Toni ada 18 butir. Banyak kelereng Joni adalah...
A.
40
B.
42
C.
44
D.
46
Correct Answer
B. 42
Explanation Based on the given information, the ratio of Toni's marbles to Joni's marbles is 3:7. Since Toni has 18 marbles, we can set up a proportion to find out how many marbles Joni has. By cross-multiplying, we get 3x = 7 * 18. Solving for x, we find that x = 42. Therefore, Joni has 42 marbles.
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4.
Perbandingan banyak Kambing, Sapi dan Ayam 3 : 5 : 8. Jika Selisih Kambing dan Sapi 16 Ekor . Berapa banyak ekor ayam?
A.
60
B.
62
C.
64
D.
66
Correct Answer
C. 64
Explanation The given comparison shows that for every 3 goats, there are 5 cows and 8 chickens. The difference between goats and cows is 16. To find the number of chickens, we need to determine how many sets of 3 goats and 5 cows make up a difference of 16. Since the difference is 16, there are 5 sets of 3 goats and 5 cows, which equals 40 animals. Therefore, the remaining 24 animals must be chickens. Hence, the correct answer is 64.
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5.
Jika jarak pada gambar kota A ke B 4 cm. dan skala peta 1 : 300.000, Berapa km Jarak Sebenarnya?
A.
1,2
B.
12
C.
120
D.
1200
Correct Answer
B. 12
Explanation The scale of the map is 1:300,000, which means that 1 cm on the map represents 300,000 cm in real life. Since the distance between city A and B on the map is 4 cm, the actual distance between the two cities would be 4 cm * 300,000 cm = 1,200,000 cm. Converting this to kilometers, we divide by 100,000 (since there are 100,000 cm in a kilometer), giving us 12 kilometers. Therefore, the correct answer is 12.
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6.
Jika jarak kota A Ke B sebenarnya 18 km. dan jarak peta 3 cm. Berapa skala peta tersebut...
Correct Answer 600000
Explanation The scale of the map can be determined by dividing the actual distance by the distance represented on the map. In this case, the actual distance is 18 km and the distance represented on the map is 3 cm. So, the scale of the map is 18 km divided by 3 cm, which equals 6 km per cm. To convert this to a ratio scale, we need to multiply the value by 100,000. Therefore, the scale of the map is 600,000.
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7.
Jika jarak kota A Ke B sebenarnya 18 km. dan skala peta 1 : 200.000 adalah...
Correct Answer 9
Explanation The scale of the map indicates that 1 unit on the map represents 200,000 units in reality. Since the actual distance between city A and city B is 18 km, we can find the distance on the map by dividing the actual distance by the scale. Therefore, 18 km divided by 200,000 equals 0.00009 km. Since the map uses a smaller unit than kilometers, we need to convert 0.00009 km to the same unit as the map. Multiplying 0.00009 km by 1,000 gives us 0.09 units on the map. However, the answer is given as 9, which seems to be a typographical error.
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8.
64 R = ........ C
Correct Answer 80
Explanation The equation 64 R = 80 C suggests that there is a direct relationship between the values of R and C. To find the value of R, we can divide both sides of the equation by 64, which gives us R = 80/64 or R = 1.25. Therefore, the value of R is 1.25 times the value of C.
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9.
40 C = ...... R
Correct Answer 32
Explanation The given equation states that 40 degrees Celsius is equal to a certain number of degrees in another temperature scale, which is represented by "R". The answer states that this value is 32. Therefore, 40 degrees Celsius is equivalent to 32 degrees in the unknown temperature scale, denoted as "R".
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10.
15 C = ....... F
Correct Answer 59
Explanation The given answer, 59, is the correct conversion from Celsius to Fahrenheit. To convert Celsius to Fahrenheit, you need to multiply the Celsius value by 9/5 and then add 32. In this case, multiplying 15 by 9/5 gives us 27, and adding 32 to 27 gives us 59. Therefore, 15 degrees Celsius is equal to 59 degrees Fahrenheit.
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