Find the next number in the series : 1, 2,…

Questions :

Find the next number in the series : 1, 2, 6, 21, 88, ?

Options :

• 445
• 450
• 452
• 460

correct answer : a)

Explanation :

Pattern is ×1+1, ×2+2, ×3+3, ×4+4, ×5+5.