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The cost of 2 T.V. sets and a radio is Rs. 7000, while 2 radios and one T.V. set together cost Rs. 4250. The cost of a T.V. set is?

Rs. 3000
Rs. 3160
Rs. 3240
None of these

Correct Answer: None of these

Explanation:

2 x + y = 7000 ....(i)
x + 2y = 4250 .....(ii)
Solving (i) and (ii) we get,
x = 3250
∴ Cost of T.V. set is Rs. 3250.

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