Question
10Â Â Â 11Â Â Â Â 12Â Â Â Â 20Â Â Â Â 24Â
   ? What should come in place of the question mark (?) in the following number series?Solution
10 + 13Â Â =11 11 +12Â =12 12 +23 =20 20 +22 =24 24 + 33 = 51
A train takes 22 seconds to cross a platform and 9 seconds to cross a pole. If the length of the train is 50 metres less than the length of the platform...
A train is running with the speed of 72 kmph crosses a pole in 25 sec. In how much time it can cross a 160 m long platform?
200 metre long train ‘A’ can cross a platform of length 180 metres in 10 seconds. If the speed of train ‘B’ is 6 m/s more than that of train ‘...
- Train 'P' leaves Pune for Nagpur at 6:00 a.m. At 8:00 a.m., another train 'Q' departs from Nagpur to Pune at 55 km/h. Both trains meet at 1:00 p.m. If the ...
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...
A train passes 150 m long platform in 10 seconds and a man standing on the platform in 8 seconds. Find the speed of the train?
A train 'D' departed from Lucknow at 7:00 PM, traveling at a speed of 66 km/h, and reached Kolkata. Meanwhile, Train 'C' left Kol...
Train M, ‘x’ metres long crosses (x – 30) metres long platform in 22 seconds while train N having the length (x + 30) metres crosses the same plat...
Ratio of the lengths of two trains ‘X’ and ‘Y’ is 5:6 respectively and the ratio of time taken by them to cross a pole is 3:4 respectively. If s...
Length of a train, whose speed is 84 km/h, is 420 metres. Find the time taken (in seconds) by train to cross a bridge of length 280 metres.
Relevant for Exams:
