Rakesh credits 15% of his salary in his fixed deposit account and spends 30% of the remaining amount on groceries. If the cash in hand is Rs.2380, what is his salary? Answers.
A) rs . 3500  B) rs . 4000  C) rs . 4500  D) rs . 5000  E) none

Rationale: explanation : let salary be rs . x . then , x - 15 % of x - 30 % of 85 % of x = 2380 or x - 15 x / 100 − 30 × 85 × x / 100 × 100 = 2380 or 200 x - 30 x - 51 x = 2380 × 2002380 × 200 or 119 x = 2380 × 2002380 × 200 or x 2380 × 200 / 119 = 4000 correct option : b
Answer: B