Problems based on Numbers Test 3

Question : 32 of 40

Marks: +1, -0

Find the number of zeroes in 18 × 125 × 63 × 4 × 17.

Solution:

18 × 125 × 63 × 4 ×

= (2 × 3^2 ) × (5^3 ) × (7 × 3^2 ) × (2^2 ) × (17)

= 2^3 × 3^4 × 5^3 × 7 × 17

Zeroes are formed by 2 × 5
So, the number of the zeroes = 3

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