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Let the original selling price be Rs. 21x New selling price = (16/21) × 21x = Rs. 16x Now, cost price of the article = 16x/0.8 = Rs. 20x Required profit percent = [(21x – 20x)/20x] × 100 = 5%
The speed of ‘A’ and ‘B’ is 65 km/hr and 40 km/hr, respectively. If the distance covered by ‘A’ in ‘x&r...
A train covers a distance of 120 km at the speed of 75 km/h the next 63 km distance covers with a speed of 45 km/h and last 90 km with the speed of 40 k...
When the bus moves at 3/4 of its usual speed, it is 20 minutes late. What is its usual time to cover the journey?Â
A person travels from point A to point B at a speed of 60 km/h and returns to point A at a speed of 80 km/h. He spends 2 hours less on the return journe...
Ajay and Vishal left the place ‘X’ with different speeds which are in the ratio 5:3 respectively. Ajay left the place 36 seconds after Vishal. If af...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 12 km/hr and 6 km/hr, respectively. If the distance covered by ‘Aâ€...
A train that is 120 m in length runs at 90 km/h. How much time will the train take to cross a bridge that is 180 m in length?
‘A’ and ‘B’ started moving towards each other at same time with a speed of 12 km/hr and 16 km/hr, respectively. If the distance covered by ‘B ...
1470 metres long train crosses a man who is moving in the same direction with a certain speed, in 30 seconds. If the same train can cross a tree in 7 se...
