RRB Group D Practice Question and Answer
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Q: The power of lens is 4D at focal length is 2022 15d1f2ddd9e6ce62e3f204446
5d1f2ddd9e6ce62e3f204446- 120 cmfalse
- 225cmtrue
- 350 cmfalse
- 4400 cmfalse
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Answer : 2. "25cm"
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? 1337 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: If \(x-{1\over x}\)=5, then the value of \(x ^4\)+ \({1\over x^4}\) . 1510 05d1ef42df5eae22172e6f499
5d1ef42df5eae22172e6f499- 1727true
- 2772false
- 3722false
- 4277false
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Answer : 1. "727"
Q: Is the first Indian woman to be the Deputy Governor of Reserve Bank of India? 1492 05ce63fb94e1b1579a6e47765
5ce63fb94e1b1579a6e47765- 1Pratibha Raifalse
- 2K.J. Udeshitrue
- 3Madhur Japharifalse
- 4Othersfalse
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Answer : 2. "K.J. Udeshi"
Q: If the value of 16a+16b=42. What is the average of (a+b)? 3123 05d1edaa7f5eae22172e6f373
5d1edaa7f5eae22172e6f373- 144false
- 221true
- 324false
- 424false
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Answer : 2. "21"
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: 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: 1168 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 is the SI unit of pressure? 1729 15d1f238bc068c021a40493ac
5d1f238bc068c021a40493ac- 1Pascaltrue
- 2Dynefalse
- 3Newtonfalse
- 4Julefalse
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Answer : 1. "Pascal"
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