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 ?
Answer & explanation
Correct answer: option 2
Here,
Table : Chair
7 : 9
⇒ (7 + 9) units = 560
⇒ 16 units = 560
⇒ 1 unit = 35
⇒ No. of chairs = 9 x 35 = 315.