Aptitude Practice Question and Answer
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Q: A, B and C can complete a work in 10, 15 and 20 days respectively. A and B start it together. B is replaced by C after 2 days. A leave it after one more day. In how many days work was completed? 3027 05d1485969aeb0a08f1e67225
5d1485969aeb0a08f1e67225- 113false
- 2\(13 {1 \over 13 }\)true
- 3\(18 {4 \over 3 }\)false
- 418false
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Answer : 2. " \(13 {1 \over 13 }\)"
Q: The coordinates of the incentre of the triangle whose sides are 3x – 4y = 0, 5x + 12y = 0 and y – 15 = 0, are
3027 05ef051f1f18fb82abc774ca0
5ef051f1f18fb82abc774ca0- 1(–1, 8)true
- 2(1,8)false
- 3(2, 8)false
- 4(2, –8)false
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Answer : 1. "(–1, 8)"
Q: A shopkeeper earns a profit equal to the selling price of 11 meter by selling 22-meter cloth. Find the profit percent. 3025 15d1331bc925caa2d5bbbff70
5d1331bc925caa2d5bbbff70- 150%true
- 252%false
- 345%false
- 455%false
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Answer : 1. "50%"
Q: A moving train crosses a man standing on a platform and a bridge 640 metres long in 15 seconds and 35 seconds respectively. What will be the time taken by the train to cross a platform 1280 meters long?
3023 05efeacc39bfe193cd14b71d9
5efeacc39bfe193cd14b71d9- 1$$ 16{2\over3}{Second}$$false
- 218 secondsfalse
- 355 secondstrue
- 422 secondsfalse
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Answer : 3. "55 seconds"
Q: A sum of Rs. 10,000 is rent partly at 8% and remaining at 10% per annum. If the yearly interest on the average is 9.2%, the two parts are 3018 05cfdfb7cbc9a366f29325748
5cfdfb7cbc9a366f29325748- 1Rs. 4000, Rs. 6000true
- 2Rs. 4500, Rs. 5500false
- 3Rs. 5000, Rs. 5000false
- 4Rs. 5500, Rs. 4500false
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Answer : 1. "Rs. 4000, Rs. 6000"
Q: 26 men can complete a piece of work in 17 days. How many more men must be hired to complete the work in 13 days? 3014 15d14995a489f2f135e08df26
5d14995a489f2f135e08df26- 19false
- 28true
- 36false
- 418false
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Answer : 2. "8"
Q: If 4 litres of water is evaporated on boiling from 12 litres of salt solution containing 7 percentage salt, the percentage of salt in the remaining solution is
3010 05f158e3adf5d9515007522a4
5f158e3adf5d9515007522a4- 112 %false
- 213 %false
- 310.5 %true
- 411.5 %false
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Answer : 3. "10.5 % "
Q: If a + b + c = 12, a2 + b2 + c2 = 52, then what is ab + bc + ca equal to-
3009 060a7a302c7f1592dd0d64b2a
60a7a302c7f1592dd0d64b2a- 1124false
- 2120false
- 346true
- 475false
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Answer : 3. "46"
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