Ratio and Proportion Practice Question and Answer
8 Q: The ratio of number of men and women in a factory of 720 workers is 7 : 5. How many more women should be joined to make the ratio 1 : 1?
3252 05ed5f9dcf42ade714ecaf48d
5ed5f9dcf42ade714ecaf48d- 180false
- 2100false
- 3120true
- 4150false
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Answer : 3. "120"
Q: The ratio of the number of hens to the number of goats on farm A is 5: 4 and that on farm B is 5 : 7. What could be the ratio of the total number of hens to the total number of goats in farms A and B taken together?
3198 0641314f186fd416146954997
641314f186fd416146954997- 13 : 2false
- 27 : 11false
- 31 : 2false
- 49 : 11true
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Answer : 4. "9 : 11"
Q: Income of A and B are in ratio 3:4 and their expenditure are in ratio 4:7 their saving are equal if A save Rs 1760 more and B increase his expenditure by Rs 880 then their saving are in ratio 7:4 .find the average income of A and B?
2951 05ee99f18109b5d6e01624f48
5ee99f18109b5d6e01624f48- 19240true
- 28680false
- 39680false
- 49160false
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Answer : 1. "9240"
Q: If A:B:C=2:3:4, then the ratio$$({a\over b}):({b\over c}):({c\over a})$$will be 2771 15d1b1a478a754124194a7587
5d1b1a478a754124194a7587- 18:9:16false
- 28:9:12false
- 38:9:24true
- 44:9:16false
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Answer : 3. "8:9:24 "
Q: The ratio of managers to management trainees is 3:5. When 21 new management trainees are recruited, the ratio will become 3:8. How many managers will there be in the group? 2708 05d1b03a78a754124194a7515
5d1b03a78a754124194a7515- 127false
- 224false
- 321true
- 4Cannot be determinedfalse
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Answer : 3. "21"
Q: The total number of students in a school is 1224. If the number of girls in the school is 600, what is the respective ratio of the total number of boys to the total number of girls in the school? 2638 15d1b02d11fc62311c7736856
5d1b02d11fc62311c7736856- 126:25true
- 221:17false
- 318:13false
- 45:4false
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Answer : 1. "26:25"
Q: In a factory, the salary of each worker is increased in the ratio 22 : 25 but the number of workers is decreased by $$ 26{2\over3}\% $$. The net effect on the salary is:
2576 05e86d2959d2a5e5416ce1241
5e86d2959d2a5e5416ce1241- 1$$ +11{1\over9}\% $$false
- 2+ 20%false
- 3$$ -16{2\over3}\% $$true
- 4-10%false
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Answer : 3. "$$ -16{2\over3}\% $$"
Q: Rs. 180 is stored in a box in the form of 1 Rupee coins, 50 paisa coins and 25 paisa coins. Their ratio is 2:3:4. Find the no. of 50 paisa coins. 2559 25d1b28fc1fc62311c7736a4a
5d1b28fc1fc62311c7736a4a- 160false
- 2120true
- 3150false
- 4180false
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