[" Sohan buys "40" kg of rice at "₹12.50" per "kg" and "30kg" of rice at "₹14" per "kg." At what rate per "kg],[" should he sell the mixture to gain "5%" on the whole? "]

Sonu buys 40kg of wheat at Rs. 12.50 per kg and 30kg of wheat at Rs. 14 per kg. At what rate per kg should he sell the mixture to gain 5% on the whole?

14 A grocer buys 160 kg of rice at ? 27 per kg and mixes it with 240 kg of rice available at ? 32 per kg. At what rate per kg should he sell the mixture to gain 20% on the whole?

A grocer purchased 65 kg of rice ₹ 16 per kg and mixed it with 85 kg of rice at ₹ 12 per kg. At what rate per kg should he sell the mixture approximately to gain 20% ?

A grocer purchased 80 kg of sugar at ₹ 13.50 per kg and mixed it with 120 kg sugar at t 16 per kg. At what rate should he sell the mixture to gain 16%?

A grocer purchased 20 kg of rice at the rate of Rs. 15 per kg and 30 kg of rice at the rate of Rs. 13 per kg. At what price per kg should he sell the mixture to earn 33 (1)/(3) % profit on the cost price?

A grocer purchased 80kg of sugar at Rs.13.50 per kg and mixed it with 120kg sugar at Rs.16 per kg. At what rate should he sell the mixture to gain 16%?

A grocer purchased 80 kg of sugar at Rs. 13.50 per kg and mixed it with 120 kg sugar at Rs. 16 per kg. At what rate should he sell the mixture to gain 16%?

A grocer purchased 200kg of rice at 25 per kg.He sold 80kg of it at a gain of 10% and 40kg at a loss of 4% At what rate per kg should he sell the remainder to gain 8% on his total investment