Question

(c) all b. If a mobile has 5 digits password, then how many different passwords can be set, so that it must be divisible by 4? INIET UIC2011

Railway Exams

Maths

Solution

332

4.0 (1 ratings)

( 16 times 10 times 10 times-7 ) orom OD- 99 , res numbus ar divisible by 4 which makes this whole digit divisible ty 4 [ therefore quad 10 times 10 times 10 times 25=25000 ]