Exams

Pipe A can empty a filled tank in 28 hours while Pipe B can fill the same tank, when empty in 35 hrs. If alternatively Pipes A and B are turned on for an hour each time, starting when the tank is full, how long will it take to empty the tank?

A bus is running at a speed of 90 kmph. What distance will it cover in 20 seconds?

To get number 40, the number 56/9 should be multiplied with

The distance between two cities X and Y is 270 km. First train starts from X at 7:00 a.m. and travels towards Y at 40 km/hr. Second train starts from Y at 8:30 a.m. and travels towards X at 30 km/hr. At what time (in a.m.) will both the trains meet?

Ramesh uses a weight of 930 gm instead of 1 kg and sells sugar on its cost price. What will be his profit percentage on selling 15 kg sugar?

Who among the following gave monistic theory of sovereignty?

According to the Indus water treaty which river will be not governed by Pakistan?

If a mirror is placed on the line MN, then which is the right figure of the given image?