Question
The respective ratio between the time taken by a boat to
travel the same distance downstream in stream A and that in stream B is 7 : 5. The speed of the boat is 10 km/h and the speed of stream A is one third of the speed of stream B. What is the speed of stream B? (in km/h)Solution
\
The ratio of the speed of two bus P and Q is 4 :7. If P takes 180 minutes more than Q to cover a certain distance, the find then actual time taken by Q ...
A man is travelling at a speed of 30 km/h such that he will take 70 minutes to reach his destination. But after completing half the journey, the man too...
βAβ and βBβ started moving towards each other at same time with a speed of 21 km/hr and 15 km/hr, respectively. If the distance covered by βAοΏ½...
Two trains starts at the same time from Spain and France towards each other with a speed of 160km/hr and 190 km/hr. When they meet, the faster train cov...
A Bus moving at a speed of 's' km/h can pass a stationary person in 16 seconds and a tunnel Bridge that is 240 meters long in 28 seconds. Determine the ...
- Neha rows a boat at the speed of 10 km/h and covers a distance in 12 hours. How fast must she row to finish the same trip in 8 hours?
A runner travels from point βEβ to βFβ at a constant speed. If the speed was increased by 12 km/h, it would have taken 2.5 hours less to cover t...
X started to run from point βAβ to βBβ at a speed of 23 km/hr at 9:00 am and Y started to run from point βBβ to βAβ at a speed of 20 km/...
If 6 women can complete a work in 3 days, and 9 girls can complete the same work in 2 days, then find the time taken to complete the same work by 8 wome...
Two classmates R and S stand at points U and V respectively. R starts toward V from U at a speed of (x β 5) km/h. After 3 hours, S starts toward U fro...