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Rakesh credits 15% of his salary in his fixed deposit account and spend 30% of the remaining amount on groceries. If the cash in hand is Rs. 2380, What is this salary ?
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- 35000
- 4000
- 45000
- 5000
Correct Option: B
Let salary be Rs. A, then A - 15 % of A - 30% of 85% of A = 2380
⇒ A - 15A/100 - (30 x 85 x A)/(100 x 100) = 2380
⇒ 200A - 30A - 51A = 2380 x 200
⇒ 119A = 2380 x 200
∴ A = (2380 x 200)/199 = 4000
