IPMAT Rohtak (QA) PYQs

In a 1000 meter race Rishi beats Koustab by 50 meters. In the same race, by what time margin Koustab beat Pandey who runs at 4 meter per second?(Since data is insufficient, this question was cancelled)

The speed of boat in still water on Saturday was 21 km/hr, and that on Sunday was $28 \frac{4}{7}\%$ more than that on Saturday. If the time taken by boat to travel upstream on Saturday is $2\frac{1}{2}$ times the time taken to travel downstream on Sunday, then find the time taken by the boat to cover a distance of 125 km upstream on Saturday?

A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water?