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RRB Non Technical Model Papers 9 with solutions
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© examsnet.com
Question : 74
Total: 100
The cost of 10 chairs and 15 tables is 15,525. What is the cost of 8 chairs and 12 tables ?
12,320
14,840
13,560
12,420
Validate
Solution:
(4) Let the chair = C
and table = T
∴From question,
10C + 15T = 15525
⇒ 5 (2C + 3T) = 15525
⇒ 2C + 3T = 3105
∴ 4(2C + 3T) = 4 ×3105
∴ 8C + 12T = 12420
∴Cost of 8 chairs and 12 tables= ₹ 12420
© examsnet.com
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