RRB(Railway) Practice Question and Answer
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Q: The Absolute zero on Celsius scale is 1860 15d1f259e9e6ce62e3f20436b
5d1f259e9e6ce62e3f20436b- 1-200ºCfalse
- 2-273.15ºCtrue
- 3-373.15ºCfalse
- 4None of thesefalse
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Answer : 2. "-273.15ºC"
Q: If \(x-{1\over x}\)=5, then the value of \(x ^4\)+ \({1\over x^4}\) . 1860 05d1ef42df5eae22172e6f499
5d1ef42df5eae22172e6f499- 1727true
- 2772false
- 3722false
- 4277false
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Answer : 1. "727"
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? 1801 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: 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: 1783 05d1ee3cec068c021a4048e42
5d1ee3cec068c021a4048e42- 15 mfalse
- 212 mtrue
- 313 mfalse
- 414.5 mfalse
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Answer : 2. "12 m"
Q: If x+y+z=6 and \(x^2\)+ \(y^2\) +\(z^2\)=20, then the value of \(x^3\)+\(y^3\)+\(z^3\)-3xyz is 1757 05d1eecc4f5eae22172e6f3c4
5d1eecc4f5eae22172e6f3c4- 164false
- 270false
- 372true
- 476false
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Answer : 3. "72"
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: 1746 05d1ee23cf5eae22172e6f390
5d1ee23cf5eae22172e6f390- 1300false
- 2500true
- 3800false
- 41000false
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Answer : 2. "500"
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: 1742 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: The percentage increase in the area of a rectangle, if each of its side is increased by 20% is: 1724 05d1ee449f5eae22172e6f39a
5d1ee449f5eae22172e6f39a- 140%false
- 242%false
- 344%true
- 446%false
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Answer : 3. "44%"
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