RRB (NTPC) Practice Question and Answer
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Q: Find the highest common factor of 36 and 84. 1881 05d1edd7cf5eae22172e6f381
5d1edd7cf5eae22172e6f381- 14false
- 26false
- 312true
- 418false
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Answer : 3. "12"
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? 1339 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 the value of 16a+16b=42. What is the average of (a+b)? 3125 05d1edaa7f5eae22172e6f373
5d1edaa7f5eae22172e6f373- 144false
- 221true
- 324false
- 424false
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Answer : 2. "21"
Q: What is the least number to be added to 1500 to make it a perfect square? 1995 05d1ed93f70b1431921736a7e
5d1ed93f70b1431921736a7e- 121true
- 235false
- 343false
- 469false
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Answer : 1. "21"
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