MBA Exam

how to solve questions like 243/619=81/x,167/x=419/721 through speed maths for fast calculation/

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MBA Other Question

A mixture of liquid contains the three in the ratio 2:4:7 respectively..P and Q are added till the ratio becomes 7:4:2..find the ratio of amounts of P and Q added

1) 49:16
2) 9:4
3) 5:2
4) 7:4
5) none of these
Find the remainder when 28! is divided by 62.

1) 46
2) 0
3) 53
4) none