Q1.Tanveer and Kunal went down a descending escalator. the escalator was going down at a constant speed. Kunal walked down the steps and had cover 50 steps to reach the bottom. Tanveer on the other hand, ran down the steps of the escalator and take 75 steps to reach the bottom. Actually, Tanveer took 3 steps in the same time it took Kunal to take 1 step. How many steps would be visible when the escalator is stopped and is not operating?
Q2. Grass grow uniformly.40 cows take 40 days to eat the grass.30 cows take 60 days to eat the grass.how many days 20 cows will take
to eat the grass. (ans:120 days)