Efficiency of Rashid and Danish are in the ratio 5:8. If Danish takes 51 days less than Rashid to complete the work, find the time taken by Rashid to complete the work. Time-Work
Q1. Efficiency of Rashid and Danish are in the ratio 5:8. If Danish takes 51 days less than Rashid to complete the work, find the time taken by Rashid to complete the work. Time-Work
Answer: 136 days
Explanation: Efficiency ratio 5:8 means time ratio 8:5; let times be 8k and 5k. Difference 3k = 51 gives k = 17, so Rashid takes 8 × 17 = 136 days.