Which of the following numbers is NOT divisible by

On the basis of which phenomenon does a Jet Engine work?

Which of the following is a conductor of electricity?

Which of the following is not a unit of energy?

 No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be 

Which of the following is not a vector-borne disease?

Food cans are coated with tin and NOT zinc because ________.

Which of the following gases in the atmosphere is/are responsible for acid rains?

1. Oxides of Sulphur

2. Oxides of nitrogen

Marbles come under which category of rockes?

A plane electromagnetic wave travels in vacuum along the z-direction. If the frequency of the wave is 20 MHz, what is its wavelength?