Questions

What is used to prevent freezing of fuel in space crafts?

The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 2nd group and the 4th period?

In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it.
GREGARIOUS

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P: And the victims are likely to be the poorest of the poor as well as the very sources of water- rivers, wetlands and aquifers.
Q: In India, water conflicts are likely to worsen before they begin to be resolved.
R: Till then they pose a significant threat to economic growth, security and health of the ecosystem.
S: Water is radically altering and affecting political boundaries all over world, between as well as within countries.

If demand curve for house cleaning services is D = 45000 - 21P and supply curve is S = 15000 + 9P, find the equilibrium Quantity?

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

Making or spreading scandalous claims about someone with the intention of damaging their reputation

If a+b-62+a2b2+1+2b=2ab+2a, then the value of a is 

Who among the following is known as the Father of Civil Services in India?