Questions

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

If 2y cosθ = x sinθ and 2x secθ - y cosecθ = 3 then what is the value of x2+4y2

If a + a2 + a3 – 1 = 0, then what is the value ofa3 + (1/a)?

According to the categories of land mentioned in the Chola inscriptions ___________ was known as the land of non-Brahmana peasant proprietors?

Which country has become the first country to ban reef toxic sunscreen by 2020?

World Wide Web was invented by ________.

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

Farmland ploughed and harrowed but left for a period without being sown in order to restore its fertility

_________________ through a plane surface is the product of the magnetic flux density normal to the surface and the area of the surface.