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A four digit number of distinct digits is formed by using the digits 2, 3, 4, 5, 6, 7, 8. The number of such numbers which are divisible by 25, is
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a
60
b
40
c
20
d
15
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Correct option is B
The number will be divisible by 25 if it ends in 25 or 75. Therefore, the required number of numbers is 5P2(2)=40Similar Questions
If then equal to
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