SSC Government Jobs Exams Numerical Ability Ratio and Proportion

Find the mean proportional between 49 & 81?

A.) 16 B.) 10
C.) 63 D.) 12

Read Solution (Total 1)

mean proportion = sqt(49*81)
= 7*9
= 63
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SSC Other Question

If a:b=1:2 and b:c=3:4 find a:b:c?

A.) 3:8:6 B.) 3:12:6
C.) 3:6:8 D.) 1:2:4 The greatest number of four digits which is divisible by 15, 25, 40 and 75 is:
A. 9000 B. 9400
C. 9600 D. 9800