Questions

If sec -7π/4 = x, then the value of x is

A square is inscribed in a quarter circle in such a way that two of its adjacent vertices on the radius are equidistant from the centre and other two vertices lie on the circumference. If the side of square is √(5/2) cm, then what is the radius (in cm) of the circle?

What is the value of √121 + √12321 + √1234321 + √123454321?

Cod liver oil from fish is rich in which vitamin?

Which type of forests majorly comprises of lichens and mosses?

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

At somebody's expense

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

Fishes have a ........ chambered heart.