RRB (NTPC) Practice Question and Answer
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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? 1167 05d1ee563c068c021a4048e48
5d1ee563c068c021a4048e48- 140false
- 250false
- 354false
- 460true
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Answer : 4. "60"
Q: Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is: 1263 05d1ee4f3f5eae22172e6f39f
5d1ee4f3f5eae22172e6f39f- 115false
- 216true
- 318false
- 425false
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Answer : 2. "16"
Q: The percentage increase in the area of a rectangle, if each of its side is increased by 20% is: 1336 05d1ee449f5eae22172e6f39a
5d1ee449f5eae22172e6f39a- 140%false
- 242%false
- 344%true
- 446%false
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Answer : 3. "44%"
Q: A rectangular carpet has an area of 60 square meter. If its diagonal and longer side together equal 5 times the shorter side, the length of its carpet is: 1321 05d1ee3cec068c021a4048e42
5d1ee3cec068c021a4048e42- 15 mfalse
- 212 mtrue
- 313 mfalse
- 414.5 mfalse
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Answer : 2. "12 m"
Q: A student has to obtain 33% of the total marks to pass. He got 125 marks and failed by 40 marks. The maximum marks are: 1116 05d1ee23cf5eae22172e6f390
5d1ee23cf5eae22172e6f390- 1300false
- 2500true
- 3800false
- 41000false
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Answer : 2. "500"
Q: The difference between a number and its two-fifth is 510. What is 10% of that number? 1506 05d1ee195c068c021a4048e3d
5d1ee195c068c021a4048e3d- 112.75false
- 285true
- 3204false
- 4None of thesefalse
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Answer : 2. "85"
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: 1191 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: 1165 05d1ede78c068c021a4048e31
5d1ede78c068c021a4048e31- 128false
- 232false
- 340true
- 464false
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Answer : 3. "40"
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