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Q.
How many numbers can be made with the digits 3, 4, 5, 6, 7, 8 lying between 3000 and 4000 which are divisible by 5 while repetition of any digit is not allowed in any number
A.
60
B.
120
C.
12
D.
24
E.
None of the above
View Answer
Correct choice: C
Explanation:
3 must be at thousand place and since the number should be divisible by 5, so 5 must be at unit place. Now we have to filled two place (ten and hundred) i.e.,
4
P
2
=12.
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