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UPSC EPFO: General Mental Ability and Quantitative Aptitude 06.02.21
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A mixture of 150 litres of wine and water contains 20% water. How much more water should be added so that water becomes 25% of the new mixture?
If a3 – b3 = 208 and a – b = 8, then (a + b)2– ab is equal to:
A figure of a transparent sheet with a pattern is given below: Figure out from amongst the four options, as to how the pattern will appear when the transparent sheet is folded at the dotted line.
In the word AKRISHNA, the total number of _____ circular permutation is possible.
Two dice are thrown and the sum of the numbers which comes up on the dice is noted. What is the probability that the sum is a multiple of 3?
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Anshu SinhaMember since Mar 2020