Question
`(13.022)^(2)+
(42.93)^(2)-(53.125)^(2)+(192.33xx14.88)=?- (88.44)^(2)- (42.03 xx 23.12)` Directions (56 -60): What will come in place of question marks ‘?’ in the following questions? (You do not have to calculate the exact value?Solution
A train moving at 72 km/h takes 20 seconds to pass a pole. Find the time required for the train to cross a platform that is 0.6 times the length of the ...
Train P travelling at 58 km/hr crosses another train Q, having three fourth of its length and travelling in opposite direction at 32 km/hr in 14 seconds...
Two cars start from a place with a speed of 55 km/hr at an interval of 15 minutes. What is the speed of a man coming from the opposite direction towards...
The ratio of the speeds of the train and the man is 4:1. The length of the train is 650 m and crosses a pole in 1 min 5 seconds. In how much time will t...
- Two towns D and E are 576 km apart. A bus starts from D at 5:15 a.m. at 64 km/h. Another bus starts from E at 6:45 a.m. towards D at 80 km/h. When will the...
A train 420 metre long takes 21 sec to cross a man running at a speed of 3 km/hr in the direction same to that of train. What is the speed of the train?
Two trains of same length are running in parallel tracks in the same direction with speed 45 km/hr and 105 km/hr respectively. The latter completely cro...
If the ratio of speed of train C and Train D is 5:8 and takes 20 seconds to completely cross each other in same direction. If the ratio of their length ...
- A train moving at a speed of 50 m/s crosses a pole in 12 seconds. Determine the time required for the train to pass a 800-metre-long platform.
Two trains A and B, were proceeding in the same direction on parallel tracks at 23 km/hr and 77 km/hr respectively. A man noticed that it took exactly 1...
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