Sign in
Please select an account to continue using cracku.in
↓ →
Find the missing number in the following series.<br>3, 12, 36, 72, 72, 36, ?
The terms are multiplied by 4, 3, 2 and 1 in turn, giving 12, 36, 72 and 72. After that the series turns downward, dividing by 2 to get 36 and then by 4 to get $$\frac{36}{4} = 9$$. Among the options only 9 fits this falling pattern.
Was this solution helpful?
Predict your JEE Main percentile, rank & performance in seconds
Educational materials for JEE preparation
Ask our AI anything
AI can make mistakes. Please verify important information.
AI can make mistakes. Please verify important information.
91- 6303239042
