Which is the largest six digits number, which when divided by 12, 15, 20, 24 and 30, leaves the remainder 8, 11, 16, 20 and 26 respectively. (a) 999...

(a) 2 (b) 192 (c) 199 (d) 7

Find the number of trailing zeroes in 142! (a) 36 (b) 30 (c) 34 (d) 32

Find the unit digit of the sum of the factorials of the first 20 natural numbers. a. 1 b. 2 c. 3 d. 4