Q1:
Which one of the following numbers is completely divisible by 45?
A
None of these
B 181560
C 2033555
D 331145
E 202860
ANS:C - 202860
45 = 5 x 9, where 5 and 9 are co-primes.
Unit digit must be 0 or 5 and sum of digits must be divisible by 9.
Among given numbers, such number is 202860.
