Questions

If x+1x = 2, then x2+1x2 = ?

A solid sphere of radius 6 cm is melted and re-casted into a hollow cylinder of uniform thickness. If the external radius of the base of the cylinder is 5 cm and its height is 32 cm, find the uniform thickness of the cylinder ?

Process of loosing electrons is known as _____.

If one more baker is hired the output of a bakery will increase from 1250 breads to 1400 breads per day, but then the bakery will have to reduce the price of the bread from Rs 15 to Rs 14 per unit to sell the additional output, the marginal revenue product of the last baker is _______.

In the following items, each passage consists of six sentences. The first and the sixth sentence are given in the beginning as S1 and S6. The middle four sentences in each have been removed and jumbled up. These are labeled P, Q, R and S. You are required to find out the proper sequence of the four sentences and mark your response accordingly on the Answer Sheet.

S1 :Don’t you think that the housefly is a nuisance?
S6:When you see a fly rubbing its legs together, it is just cleaning itself, and scraping off some of the material that has gathered there.
P:For ages that’s what man considered the fly to be –just a nuisance.
Q:It was discovered that these flies carried disease germs that cause the death of millions of people every year.
R:But now we know that the innocent-looking housefly is one of man’s worst enemies.
S:It makes an irritating buzzing sound; it annoys you when it crawls on your skin; and soon.

The proper sequence should be 

Pepsin is an enzyme that digests ______.

Which   one   of   the   following   is   not   a semiconductor?

______________ is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi.