Question

25. Ashok went to a casino to play a card game. In each
round he happened to double the amount with himself
and in each round he gave ix to his friend. At the end
of three rounds he was left with no money. If the
amount he gave to his friend in each round was
320 more than the amount he started with, find the
amount (in that he started with.
(C) 130 (D) 140
(A) 110
(B) 120​

Answer 1

Option D is correct thanks

Answer 2

Answer:

140

Step-by-step explanation:

Suppose Alok started with `A. He gave `x to his friend in

each round. The amounts with him at the end of the

first, second and third rounds are (in `)

2A − x, 4A − 3x and 8A − 7x respectively.

Given that, 8A − 7x = 0 ⇒ x = A

7

8

As x = A + 20, A

7

8

= A + 20 ⇒ A = 140