Book Maths Puzzle Numerical Ability

the largest value of k so that 146! is divisible by 21k is
a 6
b22
c48
d36

Read Solution (Total 3)

Book Other Question

In a 200m race, A gives B a head start of 25m and wins by 10sec. If A gives B a head start of 45m, the race ends in a dead heat. What will be the time taken by A to complete the race? 25! / 23^2 what is remainder?