Mitochondria are known as the powerhouse of cells. It is because the mitochondrion is the site of cellular respiration where energy in the form of ATP (Adenosine triphosphate) is generated as a result of oxidation of food constituents. This energy is required for various chemical activities needed for life.
Saket and Rakesh are brothers whose shops are located at a distance of 10km and 12km respectively from their home. Both of them start at the same time f...
'A' and 'B' are running on a circular track of length 4500 metres. 'A' is running clockwise at 5 m/s while 'B' is running anti-clockwise at 7 m/s. Find ...
Speed of a car and a bus is 25 km/h and 15 km/h, respectively. If the time taken by the car to cover a distance of ‘8x’ km is 1 hour less than time ...
A train 200 m long passes a pole in 10 seconds. How long will it take to pass another train 300 m long running in the opposite direction at a speed of 3...
A worker is paid ₹500 for 8 hours of work. If he works for 6 hours overtime at 1.5 times his regular hourly rate, what will be his total pay for 14 ho...
A train takes 46 seconds to cross the 214 m long bridge. If the same train takes 23 seconds to cross a signal board, tell the length of the train. (In m...
Naveen walking at a speed of 15 km/h reaches his office 20 minutes late. Next time he increases his speed by 5 km/h, but he finds he is still late by 5 ...
Person 'A' begins a journey from Punjab to Delhi, driving initially at 120 km/hr. Every 36 minutes, he reduces his driving speed by 5 km/hr. If the dist...
1200 metres long train crosses a man who is moving in the same direction with a certain speed, in 30 seconds. If the same train can cross a tree in 20 s...
A train running at 72 km/hr takes 20 seconds to pass a platform and the train takes 6.5 seconds to pass a car running at 36 km/hr in the opposite direct...
