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There are three types of tickets for an exhibition costing Rs. 400, Rs 550 and Rs. 900. The ratio of the tickets sold is in the ratio 3 : 2 : 5. If the total revenue from tickets is Rs. 3,26,400, find the total number of tickets sold.

A480

B500

C430

D520

Answer:

A. 480

Read Explanation:

Let the number of tickets be 3x, 2x, and 5x (3x × 400 + 2x × 550 + 5x × 900) = 3,26,400 ⇒ 1200x + 1100x + 4500x = 3,26,400 ⇒ 120x + 110x + 450x = 32640 ⇒ 680x = 32640 ⇒ x = 48 Total tickets = 10x = 480

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