GATE Questions

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A prime number is a whole number greater than 1 whose only factors are 1 and itself.

Factors of 5 are 1, 5

Factors of 11 are 1, 11

Factors of 21 are 1, 3, 7, 21

Factors of 37 are 1, 37.

Hence, according to the definition of a prime number, 21 is not a prime number as it has more than two factors.

The United Nations (UN) has declared 2017 as the "International Year of Sustainable Tourism for Development" to celebrate and advance the commitment of the tourism division to building a superior world.The International Year aims to support a change in policies, business practices and consumer behavior towards a more sustainable tourism sector that can contribute effectively to the Sustainable Development Goals (SDGs).

False. Cube is not a Polygon.

Because polygon is a two dimensional figure and can be drawn on a flat surface whereas Cube is three dimensional figure and cannot be drawn on a flat surface.

A Hole gets bigger and bigger as you take more away from it.

I am ABBREVIATION.

Yes, i make things short and asks the full form of that thing.

Ex : FCI - Food Corporation of India

IAS - Indian Administrative Service.

According to BODMAS rule,

After multiplication only, addition is done.

Hence,

5 + 2 x 10 = 5 + 20 = 25.

Galton's whistle is also called as Dogs whistle or silent whistle, is a type of whistle that emits sound in the ultrasonic range, which people cannot hear but some other animals can, including dogs and domestic cats, and is used in their training.

From both a and b, we find that Kalyan is (25 - 15) = 10 years older than his brother, who was born in 1991. So, Kalyan was born in 1981.