Question
A shopkeeper buys 25 notebooks at Rs. 32 each and sells
all of them at Rs. 40 each. Find his profit percentage.Solution
Cost price (CP) of 25 notebooks = 25 × 32 = Rs. 800 Selling price (SP) of 25 notebooks = 25 × 40 = Rs. 1000 Profit = SP − CP = 1000 − 800 = Rs. 200 Profit % = (Profit / CP) × 100 = (200 / 800) × 100 = 25% Answer: 25% profit
A train travels from A to B at a speed of 60 km/h, and then from B to C at a speed of 80 km/h. The total distance covered from A to C is 240 km, and the...
- Two runners, ‘M’ and ‘N’, started from opposite ends of a track towards each other at the same time. When they met after 3 hours, runner ‘N’ ha...
Car 'E' traveling at a certain speed covered a certain distance in 5 hours. Car 'F,' which is 50% faster than Car 'E,' traveled for 4 hours and covered ...
Walking 3/4 of his normal speed, Ravi was 21 minutes late in reaching his office. The usual time took to cover the distance between his home and office ...
A bus is running at a speed of 90 km/ph. What distance will it cover in 25 seconds?
A and B are travelling towards each other with a speed of 30 km/hr and 40 km/hr. If they started at same time and A covered 20 km less distance than B b...
How much time a train 100 metres long running at the speed of 72 km/hr take to cross a bridge 180 metres in length?
A runner travels from point ‘E’ to ‘F’ at a constant speed. If the speed was increased by 12 km/h, it would have taken 2.5 hours less to cover t...
- How far will 'Arjun' travel by the time he catches up to 'Rohan', given that 'Arjun' starts 150 km behind and moves at 55 km/h while 'Rohan' moves at 35 km...
A man walks at 5 km/h for 2 hours and then at 4 km/h for 1.5 hours. Find the total distance covered and his average speed for the whole journey.
Relevant for Exams:
