by shivamtripathi22 | Jul 20, 2025 | Uncategorized
21. A was travelling in his boat, when the wind blew his hat off and the hat started floating back downstream. The boat continued to travel upstream for 15 more minutes before A realized that his hat had fallen off and turned back downstream. He caught up with that as...
by shivamtripathi22 | Jul 16, 2025 | Uncategorized
11. A boat moves with a speed of 13 km/h downstream and 7 km/h upstream. Find the speed of the boat and stream.Sol: B + W = 13B – W = 7B = 10 km/hW = 3 km/h Answer Video Solution on Youtube 12. A man can row 45 km upstream and 66 km downstream in 15 h....
by shivamtripathi22 | Jul 16, 2025 | Uncategorized
31. In a 1 km race, the speeds of A and B are in the ratio of 5 : 3 and A wins by 10 seconds. Find the time taken by B to finish the race and distance covered by B when A finishes the race.Sol:Distance is constant∴ Time ∝...
by shivamtripathi22 | Jul 14, 2025 | Uncategorized
21. A and B run a race of 2000m. First A gives B a start of 200m and beats him by 30 sec. Next, A gives B a start of 3 minutes and is beaten by 1000m. find the time in minutes in which A and B can run the race...
by shivamtripathi22 | Jul 13, 2025 | Uncategorized
11. In a race of 400m, A gave B a head start of 20m at the start of the race. B took 48 seconds to complete the race. What was the speed of A if B defeated A by a margin of 2 seconds...
by shivamtripathi22 | Jul 13, 2025 | Uncategorized
21. If Ram’s height is 10% more than Shyam’s height. By how much % is Shyam’s height less than that of Ram’s...
