2016 · Q21
The cost of 2.5 kg rice is Rs. 125. The cost of 9 kg rice is equal to that of 4 kg pulses. The cost of 14 kg pulses is equal to that of 1.5 kg tea. The cost of 2 kg tea is equal to that of 5 kg nuts. What is the cost of 11 kg nuts ?
Elementary MathematicsRatio and Proportion
- ARs. 2310
- BRs. 3190
- CRs. 4070
- DRs. 4620
Explanation
Rice costs 125/2.5 = Rs 50/kg. Then 4 kg pulses = 9 kg rice = Rs 450, so pulses = Rs 112.50/kg. Next 1.5 kg tea = 14 kg pulses = Rs 1575, so tea = Rs 1050/kg. Finally 5 kg nuts = 2 kg tea = Rs 2100, so nuts = Rs 420/kg. Hence 11 kg nuts cost Rs 4620 (option D).