Ques:- Find out the wrong number in the series:
3, 4, 9, 22.5, 67.5, 202.5, 810
3, 4, 9, 22.5, 67.5, 202.5, 810
A. 4
B. 9
C. 67.5
D. 202.5
Ques:- Some persons decide to raise Rs. 3 lakhs by equal contribution from each of them. If they contributed Rs. 50 extra each, the contribution increased to Rs. 3.25 lakhs. How many persons were there ?
A. 400
B. 500
C. 600
D. 700
E. None of these