Questions

Air ___________________ are the substances which contaminate the air.

_____, a Muslim saint, lived at the place where Fatehpur Sikri was built.

Who studied the relationship between music intervals?

Gol Gumbaz was built in which century?

Two smaller circles touch a large circle internally and pass through the center O of the larger circle. If the diameter of the bigger circle is 28 cm, thenwhat is the area of the bigger circle which is not enclosed by the two smaller circles (in sq.cm)?

What is the slope of the line parallel to the line passing through the points (3 , -4) and (-2 , 5)?

If cos(A-B) - cos(A+B) = x, then the value of x is

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

I rarely watch action movies.