QA – Placement Quizzes | Percentages | Question 7

Felix spends 66.66% of his salary and saves Rs 1200 every month. Calculate his monthly expenditure in Rupees.
(A) Rs 2402
(B) Rs 2400
(C) Rs 2401
(D) Rs 2405

Answer: (B)
Explanation: Let Felix’s monthly salary be Rs x. Then,
(100 – 66.66)% of x = Rs 1200
⇒ 33.33 % of x = Rs 1200
⇒ x/3 = Rs 1200
⇒ x = Rs 3600.
Therefore, his monthly expenditure = 3600 – 1200 = Rs 2400.
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