Q437
How many kg of rice costing Rs. 42 per kg should be mixed with 71/2 kg rice costing Rs. 50 per kg so that by selling the mixture at Rs. 53.10 per kg, there is a gain of 18%.
How many kg of rice costing Rs. 42 per kg should be mixed with kg rice costing Rs. 50 per kg so that by selling the mixture at Rs. 53.10 per kg, there is a gain of 18%.
A.
9
B.
8
C.
D.
Answer
Answer: Option D
Solution
Answer: Option D
Solution:
59 unit → Rs. 53.10
1 unit → Rs. 0.9
50 unit → 9 × 5 = Rs. 45
