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Question

If a and b are positive integers and (ab3/2)2=108, what is the value of ab?
  1. 4
  2. 5
  3. 6
  4. 7

A
6
B
4
C
5
D
7
Solution
Verified by Toppr

Given, (ab32)2=108
(a2b3)=108
As 108=2×2×3×3×3
a=2,b=3
ab=2×3=6

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