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Nita blends two varieties of tea— one costing $ 180 per kg and another costing $ 200 per kg in the ratio 5 : 3. If she sells the blended variety at $ 210 per kg, then her gain percent is
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- 10%
- 11%
- 12%
- 13%
Correct Option: C
From the question , Total C.P. of two varieties of tea = 180 × 5 + 200 × 3 = $ 1500
Total S.P. of two varieties of tea = 210 × (5 + 3) = 210 × 8 = $ 1680
Gain = S.P. - C.P. = 1680 - 1500 = $ 180
| Gain percent = | × 100 | Total C.P. of two varieties of tea |
| Gain percent = | × 100 | 1500 |
| Gain percent = | × 100 = 12% | 1500 |
