A man purchases milk for three consecutive years. In the first year,he purchases milk at the rate of Rs 7.50 per litre. In the second year, at the rate of Rs.8.00 per litre and in the third year, at Rs.8.50 per litre. If he purchases milk worth Rs.4,080 each year, the average price of milk per litre for the three years is

A man purchases milk for three consecutive years. In the first year,he purchases milk at the rate of Rs 7.50 per litre. In the second year, at the rate of Rs.8.00 per litre and in the third year, at Rs.8.50 per litre. If he purchases milk worth Rs.4,080 each year, the average price of milk per litre for the three years is
1). Rs 7.68
2). Rs 7.98
3). Rs 7.54
4). Rs 7.83

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