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Grade: 11
        
The number of numbers of four different digits that can be formed from the digits of the number 12 356 such that the numbers are divisible by 4,is
 
(A) 36
(B) 48
(C) 12
(D) 24
3 years ago

Answers : (1)

Ankit Jaiswal
165 Points
							
Hi, 
    I hope this helps.
As the number should be divisible by 4 it must end with 12,16,32,36,52,56 and hence there are a total of 6 cases.
Now in all the cases there are remaining 2 digits and and 3 different numbers so the number of ways to arrange them = 3!/(3-2)! = 3! = 3*2 = 6
and hence for all cases total numbers possible will be 6*6   (6 cases and 6 numbers in each case)
36
 
Thanks
3 years ago
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