RRB(Railway) Practice Question and Answer
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Q: Which of the following substance has greatest specific heat? 1519 15d1f2648c068c021a40493b2
5d1f2648c068c021a40493b2- 1Ironfalse
- 2Watertrue
- 3Copperfalse
- 4Mercuryfalse
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Answer : 2. "Water"
Q: The speed of three cars are in the ratio 5:4:6. The ratio between the time taken by them to travel the same distance is: 1481 05d1edfc2f5eae22172e6f386
5d1edfc2f5eae22172e6f386- 15:4:6false
- 26:4:5false
- 310:12:15false
- 412:15:10true
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Answer : 4. "12:15:10"
Q: The L.C.M of two numbers is 48. The numbers are in the ratio 2:3. The sum of the numbers is: 1432 05d1ede78c068c021a4048e31
5d1ede78c068c021a4048e31- 128false
- 232false
- 340true
- 464false
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Answer : 3. "40"
Q: A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the job? 1395 05d1ee563c068c021a4048e48
5d1ee563c068c021a4048e48- 140false
- 250false
- 354false
- 460true
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