(Q).If the highest power of 10 in N! is 18 then what could be the highest power of 10 in (N + 1)!
Solution:- 10 = 2 × 5
Hence number can be N = 75, 76, 77, 78, 79
Hence for (N+1) take N as 79
∴ N+1 = 80
(Q).If the highest power of 10 in N! is 18 then what could be the highest power of 10 in (N + 1)!
Solution:- 10 = 2 × 5
Hence number can be N = 75, 76, 77, 78, 79
Hence for (N+1) take N as 79
∴ N+1 = 80