RRB Group D Practice Question and Answer
8 4 4 4 4 Q: If the numerator of a fraction is increased by 20% and the denominator is not changed, the resultant fraction thus obtained is
5d1edc4ef5eae22172e6f37c Answer : 4. "
4 4 Q: If x+y+z=6 and
5d1eecc4f5eae22172e6f3c4 4 4
Q: If the mass of the pendulum is doubled, the time period 1730 15d1f2a3fc068c021a404954f
5d1f2a3fc068c021a404954f- 1Becomes doublefalse
- 2Becomes halffalse
- 3Becomes four timefalse
- 4remains sametrue
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Answer : 4. "remains same"
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: 1729 15d1ee80af5eae22172e6f3b4
5d1ee80af5eae22172e6f3b4- 1Rs.1200true
- 2Rs.1500false
- 3Rs. 1600false
- 4Rs. 1800false
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Answer : 1. "Rs.1200"
Q: The Absolute zero on Celsius scale is 1692 15d1f259e9e6ce62e3f20436b
5d1f259e9e6ce62e3f20436b- 1-200ºCfalse
- 2-273.15ºCtrue
- 3-373.15ºCfalse
- 4None of thesefalse
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Answer : 2. "-273.15ºC"
Q: If the numerator of a fraction is increased by 20% and the denominator is not changed, the resultant fraction thus obtained is . What was the original fraction? 1641 05d1edc4ef5eae22172e6f37c
5d1edc4ef5eae22172e6f37c- 1false
- 2false
- 3false
- 4true
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Answer : 4. " "
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: 1613 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 + + =20, then the value of + + -3xyz is 1584 05d1eecc4f5eae22172e6f3c4
5d1eecc4f5eae22172e6f3c4- 164false
- 270false
- 372true
- 476false
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Answer : 3. "72"
Q: The percentage increase in the area of a rectangle, if each of its side is increased by 20% is: 1579 05d1ee449f5eae22172e6f39a
5d1ee449f5eae22172e6f39a- 140%false
- 242%false
- 344%true
- 446%false
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Answer : 3. "44%"
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: 1574 05d1ee683f5eae22172e6f3a9
5d1ee683f5eae22172e6f3a9- 135.55 km/hrfalse
- 236 km/hrfalse
- 371.11 km/hrtrue
- 471 km/hrfalse
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