In what ratio must tea at Rs. 70 per kg be mixed with tea at Rs.78 per kg so that the mixture must be worth Rs. 74.50 per kg?

Options
- 5:7
- 7:9
- 9:11
- 6:7

CORRECT ANSWER : 7:9

Discussion Board
Quantitative aptitude

70. 78
74.50
3.50. 4.50
So the ratio will become 7:9

Jagrati 05-18-2021 03:27 AM

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