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Tea worth ₹ 126 kg and ₹ 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2 . If the mixture is worth ₹ 153 per kg, the price of the third variety per kg will be ?
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- ₹ 169.5
- ₹ 170.0
- ₹ 175.5
- ₹ 180.0
Correct Option: C
Let the cost of third variety tea will be ₹ N per kg
According to the question,
(126 + 135 + 2N)/4 = 153
⇒ (261 + 2N) = 4 x 153
⇒ 2N = 612 - 261 = 351
∴ N = 351/2 = 175.50
⇒ N = ₹ 175.5
Hence, the cost of third variety tea is ₹ 175.50 per kg .
