CMAT Exam 2023 Shift 1 Solved Paper

Question : 8 of 100

Marks: +1, -0

Let

S(n)

represents the sum of digits of a natural number

n

. For example,

S(128)=1+2+8=11

. What is the value of

S (2^6 × 3^4 × 5^5)

Solution:

\;2^6 × 3^4 × 5^5=(2 × 5)^5 × 2 × 3^4=16200000

\;S (2^6 × 3^4 × 5^5) =S(16200000)=9

The answer is option A.

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