Book Maths Puzzle Numerical Ability

Find the maximum value of n such that 30*60*81*100*90*700*343*720 is perfectly divisible by 30^n

Read Solution (Total 0)

Book Other Question

Rusabh sold some cds to rushant at the rate of 4 cds for the cost price of three.After a few days rushant sold the same cds back to rusabh at the rate of 3 cds for the price he had paid for four.Find the % loss incurred by rusabh? The average of the salaries of 17 teachers is Rs.45000. 3 teachers went out and the average is dropped by Rs.2500. What is the sum of the salaries of the 3 teachers who left?