MBA Exam

If instead of multiplying a number by 7 the number was divided by 7. What should be the percentage error ?

1) 100%
2) 96.8%
3) 92.70%
4) 97.9%
5) None of these

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MBA Other Question

ABCD is a square N and M are points on BC and CD respectively. When DN and BM are joined they intersect at point â€˜Pâ€™ such that BP : PM = 4 : 1 and DP : PN = 3 : 2Find the ratio of CN : CM?

1) 3 : 4
2) 3 : 5
3) 4 : 5
4) 2 : 3
If (a^2)(b^3) = (540)(35^2), then minimum value of 5a+7b is P.S : This is from TIME's material. Although solution is available but I didn't get the concept. Please explain.

1) 200
2) 70
3) 175
4) 105