RRB(Railway) Practice Question and Answer
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Q: A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The Average speed for the the first 320 km of the tour is: 868 05d1ee683f5eae22172e6f3a9
5d1ee683f5eae22172e6f3a9- 135.55 km/hrfalse
- 236 km/hrfalse
- 371.11 km/hrtrue
- 471 km/hrfalse
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Answer : 3. "71.11 km/hr"
Q: What will be the compound interest on a sum of Rs.25,000 after 3 year at the rate of 12 percent per annum? 1509 05d1eeab6f5eae22172e6f3ba
5d1eeab6f5eae22172e6f3ba- 19000.30false
- 29720false
- 310483.20true
- 4None of thesefalse
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Answer : 3. "10483.20 "
Q: What is the SI unit of pressure? 1303 15d1f238bc068c021a40493ac
5d1f238bc068c021a40493ac- 1Pascaltrue
- 2Dynefalse
- 3Newtonfalse
- 4Julefalse
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Answer : 1. "Pascal"
Q: What is the least number to be added to 1500 to make it a perfect square? 1365 05d1ed93f70b1431921736a7e
5d1ed93f70b1431921736a7e- 121true
- 235false
- 343false
- 469false
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Answer : 1. "21"
Q: If the numerator of a fraction is increased by 20% and the denominator is not changed, the resultant fraction thus obtained is \({2\over3}\). What was the original fraction? 946 05d1edc4ef5eae22172e6f37c
5d1edc4ef5eae22172e6f37c- 1\({3\over8}\)false
- 2\({5\over8}\)false
- 3\({4\over9}\)false
- 4\({5\over9}\)true
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Answer : 4. "\({5\over9}\)"
Q: The difference between a number and its two-fifth is 510. What is 10% of that number? 1144 05d1ee195c068c021a4048e3d
5d1ee195c068c021a4048e3d- 112.75false
- 285true
- 3204false
- 4None of thesefalse
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Answer : 2. "85"
Q: A sum was put at simple interest at a certain rate for 2 years. Had it been put at a 3% higher rate; it would have fetched Rs. 72 more. The sum is: 997 05d1ee80af5eae22172e6f3b4
5d1ee80af5eae22172e6f3b4- 1Rs.1200true
- 2Rs.1500false
- 3Rs. 1600false
- 4Rs. 1800false
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Answer : 1. "Rs.1200"
Q: The most suitable unit for expressing nuclear radius is; 1438 15d1f24b59e6ce62e3f204308
5d1f24b59e6ce62e3f204308- 1Micronfalse
- 2Nanometrefalse
- 3Fermitrue
- 4Angstromfalse
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Answer : 3. "Fermi"
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