Exams

A tetrahedron has 4 vertices. How many edges does it have?

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

Perennial

In the following question, select the odd letter/letters from the given alternatives.

What will be the value of r2+p2+s2-rp-ps-rs when r = 4, p = 2, s = 8?

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

The _____ of energy in India are met from both commercial and non commercial sources. The most _____ sources of energy today are coal and natural gas, hydro
electricity and nuclear power. On the other hand, firewood, cow-dung cakes and vegetable waste etc. _____ non commercial forms of energy. While non commercial
forms of energy _____ demand, coal is the _____ source of commercial energy in India.

and non commercial sources. The most _____ sources of energy today are coal and natural gas

Which planet is known as red planet?

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Providence smiles ________ those who are diligent.

What is that least number that must be added to the product 684 × 686 to make it a perfect square?