Question

92.
The number of (a, b, c), where a, b, c are
positive integers such that abc = 30, is
​

Answer 1

Explanation:

Number of the integral solution for abc=30 are:

1×3×10⇒Permutation=3!

15×2×1⇒Permutation=3!

5×3×2⇒Permutation=3!

5×6×1⇒Permutation=3!

30×1×1⇒Permutation= 2!/3!

Total solutions =(3!×4)+3=27

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