Indian Railway GK Practice Question and Answer
8 4 4 4 4 4 4 4 4 Q: In the following question a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.
5d1f0ff99e6ce62e3f2040ca
Q: If \(x-{1\over x}\)=5, then the value of \(x ^4\)+ \({1\over x^4}\) . 1519 05d1ef42df5eae22172e6f499
5d1ef42df5eae22172e6f499- 1727true
- 2772false
- 3722false
- 4277false
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Answer : 1. "727"
Q: The difference between a number and its two-fifth is 510. What is 10% of that number? 1513 05d1ee195c068c021a4048e3d
5d1ee195c068c021a4048e3d- 112.75false
- 285true
- 3204false
- 4None of thesefalse
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Answer : 2. "85"
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 1381 05d1eecc4f5eae22172e6f3c4
5d1eecc4f5eae22172e6f3c4- 164false
- 270false
- 372true
- 476false
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Answer : 3. "72"
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? 1346 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: The percentage increase in the area of a rectangle, if each of its side is increased by 20% is: 1341 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: 1326 05d1ee3cec068c021a4048e42
5d1ee3cec068c021a4048e42- 15 mfalse
- 212 mtrue
- 313 mfalse
- 414.5 mfalse
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Answer : 2. "12 m"
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: 1272 05d1ee4f3f5eae22172e6f39f
5d1ee4f3f5eae22172e6f39f- 115false
- 216true
- 318false
- 425false
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Answer : 2. "16"
Q: In the following question a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series. 11 , 13 , 17 , 19 , 23 , 25 , ?
1238 05d1f0ff99e6ce62e3f2040ca
5d1f0ff99e6ce62e3f2040ca- 126false
- 227false
- 329true
- 437false
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Answer : 3. "29"
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