The number of zeroes in the quotient obtained when 45! – 43! is divided by 10 is

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Solution

The correct option is B
8

45! – 43! = 43! (45 $\times$ 44 – 1)
The number of zeroes in 43! is 9 , so the number of zeroes in the quotient obtained when this number is divided by 10 is 8.

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