Ratio and Proportion Practice Question and Answer
8 Q: If 0.8 : X :: 5 : 8, then the value of X is
1237 05e32544f1f7362736228172a
5e32544f1f7362736228172a- 11.28true
- 21.16false
- 31.32false
- 41.24false
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Answer : 1. "1.28"
Q: If x is added to each of 12, 28, 21 and 45, the numbers so obtained, in this order, are in proportion. What is the mean proportional between (x + 3) and (4x +1)? 1178 06007ebe6d6101033e17248a8
6007ebe6d6101033e17248a8- 115true
- 218false
- 310false
- 412false
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Answer : 1. "15"
Q: If the positions of the digits of a two-digit number are interchanged, the number obtained is smaller than the original number by 27. If the digits of the number are in the ratio of 1 : 2, what is the original number?
1174 05e4d10bf701cfd31ff636587
5e4d10bf701cfd31ff636587- 136false
- 263true
- 348false
- 4Cannot be determinedfalse
- 5None of these different.false
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Answer : 2. "63 "
Q: If there is a reduction in the number of workers in a factory in the ratio 65 : 17 and an increment in their wages in the ratio 34 : 125, then the ratio by which the total wages of the workers should be decreased is-
1163 05e96c382f3e7121e409fac5a
5e96c382f3e7121e409fac5a- 125 : 26false
- 223 : 25false
- 323 : 27false
- 426 : 25true
- 527 : 23false
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Answer : 4. "26 : 25 "
Q: Four numbers are in the ratio 1 : 2 : 3 : 4 . Their sum is 16. The sum of the first and fourth number is equal to:
1162 05dbab3db831d0c78ebd02319
5dbab3db831d0c78ebd02319- 15false
- 28true
- 310false
- 480false
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Answer : 2. "8"
Q: A is 40% less than B, and C is 40% of the sum of A and B. The difference between A and B is what percentage of C?
1142 05fbf7d0ff797c5678305e9fc
5fbf7d0ff797c5678305e9fc- 164 %false
- 262.5 %true
- 360.5 %false
- 460%false
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Answer : 2. "62.5 %"
Explanation :
The Ratio will be A: B :C=60 : 100 : 64
Then 40/64*100=62.5%
Q: If P is 15 years old now and Q will be 26 years old after 6 years, what is the ratio of their percentages?
1141 05dc115f68e9a3a0f0dd73520
5dc115f68e9a3a0f0dd73520- 14 : 1false
- 23 : 4true
- 32 : 1false
- 42 : 3false
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Answer : 2. "3 : 4 "
Q: Two numbers are in the ratio of 3: 5. If 9 be subtracted from each, then they are in the ratio of 12: 23. Find the numbers.
1124 05f47999a09e4377de945e3b0
5f47999a09e4377de945e3b0- 133,55true
- 260,69false
- 315,28false
- 436,115false
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