Question
Income of A is twice the income of B. B and A spend 50%
and 60% respectively of their incomes. Find the savings of A, if B saves Rs. 12000 in a month.Solution
Let, income of B be Rs. ‘x’ Expenditure of B = 0.5x So, 0.50x = 12000 x = Rs. 24000 Income of A = 2 × 24000 = Rs. 48000 Savings of A = 40% of 48000 = Rs. 19200
Train A of length 150 m is running at 54 km/h and Train B of length 200 m is running at 36 km/h in the opposite direction on parallel tracks. In how man...
A 130 m long train crosses another 250 m long train running in the opposite direction in 10 seconds. If the shorter train crosses a pole in 10 seconds, ...
Two trains, Train X and Train Y, are traveling towards each other on parallel tracks between Stations A and B. How long will it take for Train X to meet...
Train A of length 180 m is running at 54 km/h. Train B of length 220 m is running at 72 km/h in the same direction. In how many seconds will Train A com...
- A man is running at 5 m/sec in the same direction of a train. The train crosses him in 5 seconds. If the train’s speed is 90 km/hr, find the time it take...
A train travelling with a speed of 36 km/h can cross a pole in 9 seconds. Find the time taken by the train to cross a 180 metres long platform if the sp...
A train can cross a pole in 10 seconds while it can cross a 240 metres long platform in 28 seconds. Find the time (in hours) taken by the train to cover...
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 31 seconds and 19 seconds respectively. It took 24...
Train 'A' travels at a speed of 54 km/hr and passes a stationary pole in 12.4 seconds. How long will it take for Train 'A' to completely pass Train 'B',...
A train crosses a 250-metre-long platform in 18 seconds, and a tunnel 60% longer than the platform in 27 seconds. Find the speed of train in km/h.