GATE Questions

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In physics, the dynamo theory proposes a mechanism by which a celestial body such as Earth or a star generates a magnetic field.

Earth's crust core contains a large amount of iron and nickel is the evidence of the dynamo theory.

True, the carbon in the ocean originates from the atmosphere. The oceanic surface water absorbs the carbon dioxide gas from the atmosphere and dissolves in it.

When both sides have won the same number of points then: when each side has won one, or two, points, the score is described as "15-all" and "30-all" (or "15-up" and "30-up"), respectively.

However, if each player has won three points, the score is called as "deuce", not "40–all". From that point on in the game, whenever the score is tied, it is described as "deuce", regardless of how many points have been played.

An Umbrella.

Yes, when it is open it can't be fit under a chimney but when it is closed it can be fit down a chimney.

Let p be the principle amount

And R% be the rate of interest

Then, required ratio =P×4×R100P×6×R100 

⇒4PR6PR= 2:3

In a spreadsheet program, when a data is changed all calculations are recalculated.

Genes are located on DNA present in the chromosome. Chromosomes are present in the nucleus of the cell.

The only gem of world made of a single element is Diamond.