Question
About half of the essential plant nutrients are
macronutrients; among which is foremost vital to form carbohydrates, proteins, nucleic acids and other compounds.Solution
The first of these macronutrients, carbon (C), is required to form carbohydrates, proteins, nucleic acids, and many other compounds; it is, therefore, present in all macromolecules.
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.
Two trains A and B, were proceeding in the same direction on parallel tracks at 22 km/hr and 76 km/hr respectively. A man noticed that it took exactly 1...
A train running at 90 km/h crosses an electric pole in 18 seconds and a platform in 55 seconds. What is the length of the platform?
A 340 m long train crosses a platform twice its length in 2 min. Find the speed of the train.
Car 'X' travels for 4 hours to reach from point A to B. Car 'Y' travels 210 km to reach from point B to C in 3 hours. Distance travelled by car 'X' to c...
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...
Two trains of same length are running in parallel tracks in the same direction with speed 80 km/hr and 110 km/hr respectively. The latter completely cro...
Two trains start at the same time from Patna and Delhi and proceed toward each other at the speed of 120 km/hr and 60 km/hr respectively. When they meet...
Train ‘A’ travelling with a speed of 60 km/h can cross a pole in 15 seconds. If the length of train ‘B’ is 38% less than that of train ‘A’ a...
- Train 'R' can cross a pole in 6 seconds and a 240 metres long bridge in 10 seconds. Train 'S' whose length is 75% of the length of train 'R' runs in the sa...
