Question
Which one of the following element is an important
constituent of chlorophyll?Solution
Mg is the fundamental component of chlorophyll (Chl) pigments in the light-capturing complex of chloroplasts.
Train M, ‘x’ metres long crosses (x – 40) metres long platform in 20 seconds while train N having the length (x + 40) metres crosses the same plat...
Train A running at a speed of 30 km/hr crosses train B in 20 seconds. Find the speed of train B (in km/hr), if the sum of the length of train A and B is...
A train of length ‘x’ meters crosses a stationary man in 8 seconds. It also crosses a bridge of length ‘x + 150’ meters in 22 seconds. What is t...
Train P measures 120 meters in length and moves at a speed of 5 meters per second, while Train Q is 90 meters long and travels at a speed of 10 meters p...
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 26 seconds and 16 seconds respectively. It took 18...
Two trains P and Q of lengths 250 m and 400 m, respectively, are running in the same direction on parallel tracks at 90 km/h and 120 km/h, respectively....
Train M, ‘x’ metres long crosses (x – 35) metres long platform in 28 seconds while train N having the length (x + 35) metres crosses the same plat...
A train travels at an average speed of 100 km per hour without stoppage and with stoppages it covers the same distance at an average speed of 80 km/hr. ...
The distance between stations X and Y is 672 km. A train leaves X at 9 a.m. at 64 km/h. Another train leaves Y at 10:30 a.m. towards X at 96 km/h. When ...
A train 525 meters long running at a speed of 103 kmph overtakes another train which is 425 meters long running at a speed of 73 kmph in the same direc...
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