The cost of 10 kg of apples is equal to the cost of 24 kg of rice. The cost of 6 kg of flour equals the cost of 2 kg of rice. The cost of each kg of flour is Rs.20.50. Find the total cost of 4 kg of apples, 3 kg of rice and 5 kg of flour?
Choose the correct answer:  A) Rs.849.40  B) Rs.877.40  C) Rs.901.60  D) Rs.815.20  E) None of these
Let the costs of each kg of apples and each kg of rice be Rs.a and Rs.r respectively.   10a = 24r and 6 * 20.50 = 2r   a = 12/5 r and r = 61.5   a = 147.6   Required total cost = 4 * 147.6 + 3 * 61.5 + 5 * 20.5   = 590.4 + 184.5 + 102.5 = Rs.877.40   ANSWER:Rs.877.40
<result>B</result>
The cost of 10 kg of apples is equal to the cost of 24 kg of rice. The cost of 6 kg of flour equals the cost of 2 kg of rice. The cost of each kg of flour is Rs.20.50. Find the total cost of 4 kg of apples, 3 kg of rice and 5 kg of flour?