Question 67

The ratio of tables and chairs in a room is 7 : 9. If there are 560 tables and chairs in the room, then what is the number of chairs ?

Solution

Given, Total number of tables and chairs = 560

Ratio of tables and chairs in the room = 7 : 9

Let the number of tables and chairs in the room are 7p and 9p respectively

$$=$$> 7p + 9p = 560

$$=$$> 16p = 560

$$=$$> 1p = 35

$$\therefore\ $$The number of chairs in the room = 9p = 9(35) = 315

Hence, the correct answer is Option C

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