Question
A tradesman gives 6% discount on the marked price and 1
article free with every 24 articles bought and still gains 25%. If the marked price is 28% more than the cost price of Rs. 100, then what is the selling price?Solution
Total discount = 6% + 1/(24 + 1) * 100 = 10% Cost price = Rs. 100 Marked price = Rs. 128 Selling price = 128 * 90/100 * 125/100 = Rs. 144
- Train 'X' crosses a standing pole in 12 seconds. Another train 'Y' crosses train 'X' in 24 seconds while running in opposite directions on parallel tracks....
Two trains A and B, were proceeding in the same direction on parallel tracks at 24 km/hr and 78 km/hr respectively. A man noticed that it took exactly 2...
Speed of train A and train B is 90 km/hr and 36 km/hr respectively. They cross each other in 10 seconds when they are running in opposite directions. Le...
Train ‘A’ can cross a pole in 6 seconds and a 90 metre long platform in 12 seconds. If the ratio of length of train ‘A’ and train ‘B’ is 2:5...
- Train 'M' can cross a pole in 10 seconds and a 200 metres long bridge in 15 seconds. Train 'N' whose length is 50% of the length of train 'M' runs in the s...
Two trains of same length are running in parallel tracks in the same direction with speed 61 km/hr and 115 km/hr respectively. The latter completely cro...
Two trains of same length are running in parallel tracks in the same direction with speed 40 km/hr and 100 km/hr respectively. The latter completely cro...
Two trains approach each other at 22 kmph and 25 kmph from 2 places 282 km apart. After how many hours they will meet?
Train X, traveling at a speed of 72 km/hr, crosses another train Y, which is moving in the opposite direction at a speed of 108 km/hr, in 't' seconds. I...
A train can cross a pole in 36 seconds. While if the train increased its speed by 50% then time taken by it to cross 324 metres long platform is 42 seco...
Relevant for Exams:
