Number System Practice Test 6

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Question : 4 of 12

Marks: +1, -0

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

3
2
5
4
None

Solution:

18 × 125 × 63 × 4 × 17 = (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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