Riddle # 346 (Solved By hina)

**\/QAR** · 04-04-2009, 09:29 PM

4 friends open an account and the policy of account is that the amount become double after each month.
one friend takes Rs.100 after one month.
2nd friend Rs.100 2nd month.
3rd friend Rs.100 3rd month.
4th friend Rs.100 4th month.
account is empty now. what was the amount they put in that account initially.

**~*Heer*~** · 04-04-2009, 10:03 PM

ina muskil

**\/QAR** · 04-04-2009, 10:10 PM

Muskil nae tricky hai

**Sadaf Gondal** · 04-04-2009, 10:15 PM

800.

**\/QAR** · 04-04-2009, 10:21 PM

800 no

**hina** · 05-04-2009, 02:53 AM

Originally Posted by \/QAR

4 friends open an account and the policy of account is that the amount become double after each month.
one friend takes Rs.100 after one month.
2nd friend Rs.100 2nd month.
3rd friend Rs.100 3rd month.
4th friend Rs.100 4th month.
account is empty now. what was the amount they put in that account initially.

Deposit
93.75x2=187.5
187.5-100=87.5
After 1st Month
87.5x2=175
175-100=75
After 2nd Month
75x2=150
150-100=50
After 3rd Month
50x2=100
100-100=0
After 4th Month
00