Selenium (Se) and vitamin E (Vit E)Â can act synergistically and affect biological processes, mainly antioxidant and immunity . The use of excess dietary Vit E and Se in animals' feed could enhance immune response and induce disease resistance.
'A' and 'B' are running on a circular track of length 5000 metres. 'A' is running clockwise at 6 m/s while 'B' is running anti-clockwise at 8 m/s. Find ...
A train covers a certain distance at a speed of 72 km/h and the next same distance with a speed of 90 km/h and the next same distance with a speed of 12...
A boy goes to his school at 1/6th of the speed at which he returns from his school. Average speed during the whole trip (i.e. one round) is 24 km/h. Wha...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 27 km/hr and 9 km/hr, respectively. If the distance covered by ‘Aâ€...
A bus covers a certain distance without stopping at an average speed of 50 km/h. But when it covers the distance intermittently. So its average speed is...
A truck covers 320 km in 10 hours with its usual speed. If the speed of the truck had been 8 km/hr more than its usual speed, find the time taken by the...
A train has to cover a distance of 90 km in 15 hours. If it covers half the journey in 4/5th of the time, the speed to cover remaining distance in the t...
The speed of a bike increases by 3 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 22 km, the find the total distance tra...
B starts 4 minutes after A from the same point, for a place at a distance of 7 miles from the starting point. A on reaching the destination turns back a...
