1.

The cost of 21 chairs and 35 tables is Rs 7217. What is the cost of 36 chairs and 60 tables ?

Answer»

Rs 12372



Let the cost of ONE chair be X and that of one table be y.
∴ 21x + 35Y = 7217 ......(1)
EQN (1) x 12/7
= 21x x 12/7 + 35y x 12/7 = 7217 x 12/7
36x + 60Y = 12372



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