Posted by **arshad** on Friday, August 23, 2013 at 1:08am.

a man started to play a card game .in the first round he doubled the amount and he gave away a certain amount say P to his friend.In the second round,he tripled the amount left with him after the first round and gavew away an amount 2P to his friends.in the third round he quadrupled the amount left with him after the second round and gave away an amount P to his friend and was finally left with no money.if he gave away a total of RS.160 to his friend,then what was the money left with him?

- maths -
**Reiny**, Friday, August 23, 2013 at 8:33am
let the amount he started with be x

after first round he has 2x-P

in 2nd round he tripled that and gave away 2P

so has left

6x - 3P - 2P = 6x - 5P

in 3rd round he quadrupled the amount and gave away P

so he has left

24x - 20P - P = 24x - 21P

amount given away = P + 2P + P = 160

P = 40

but at the end he has nothing left, so

24x - 21P = 0

24x - 21(40) = 0

x = 35

**He started with RS 35**

check:

in first round: doubled , gave away P

70-40 = 30

in 2nd round: tripled, gave away 2P

90 - 80 = 10

in 3rd round: quadrupled , gave away P

40 - 40 = 0

my solution checks out.

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