If two mixers and one T.V cost Rs. 700. While two T.V s and one mixer cost Rs. 980. The value of one T.V is:

Question

Question

This question was previously asked in

SSC MTS (2022) Official Paper (Held On: 02 May 2023 Shift 1)

Answer 1

Given

2 mixers + 1 TV = Rs. 700

2 TVs + 1 mixer = Rs. 980

Concept:

This problem can be solved using a system of equations.

Solution:

2M + T = 700

2T + M = 980

Add both equations:

2T + M + (2M + T) = 980 + 700 ⇒ T + M = 1680/3 = 560

2T + M = 980

T + T + M = 980

T + 560 = 980

T = 420

Therefore, the value of one TV is Rs. 420.

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