Common Admission Test (CAT) Questions and Answers with Explanation

Q:

Glaucoma is usually caused by

A) High pressure on the optic nerve	B) Loss of hearing
C) Loss of Bone density	D) None of the above

Answer & Explanation Answer: A) High pressure on the optic nerve

Explanation:

Glaucoma is usually caused by high pressure on the optic nerve which leads the loss of eye sight.

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Q:

Which city has been named as the World Capital of Architecture for 2020?

A) Rio de Janeiro	B) Melbourne
C) Tokyo	D) Paris

Answer & Explanation Answer: A) Rio de Janeiro

Explanation:

Rio de Janeiro has been named as the World Capital of Architecture for 2020.

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Q:

Which nation officially changed its name to North Macedonia?

A) Macedonia	B) Albania
C) Serbia	D) Kosovo

Answer & Explanation Answer: A) Macedonia

Explanation:

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Q:

Which compressor is usually used in AC?

A) Centrifugal	B) Rotary
C) Reciprocating	D) Axial

Answer & Explanation Answer: C) Reciprocating

Explanation:

A compressor is a mechanical device that increases the pressure of a gas by reducing its volume. An air compressor is a specific type of gas compressor. The capacity of the air conditioning depends entirely on the capacity of the compressor. The reciprocating compressor is usually used in AC.

Which_compressor_is_usually_used_in_AC1559283550.jpg image

The reciprocating compressor have piston and cylinder arrangement like the automotive engine. The reciprocating motion of the piston due to external power compresses the refrigerant inside the cylinder.

There are three types of reciprocating compressors:

hermetically sealed,

semi-hermetically sealed and

open type.

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Q:

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word

Guile

A) Cleverness	B) Suspicious
C) Dishonesty	D) Honesty

Answer & Explanation Answer: D)

Honesty

Explanation:

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Q:

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case noimprovement is needed, select "no improvement".

A neem tree grew as a bonus on the side, raising its head high as if it wants (will peep) into my bedroom

A) peep	B) peeped
C) to peep	D) no improvement

Answer & Explanation Answer: C) to peep

Explanation:

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Q:

If tanA - cotA = x, then value of x is?

A) (1 + 2cos2A)/(sinA cosA)	B) (sinA cosA)/(1 - 2cos2A)
C) (sinA cosA)/(1 + 2cos2A)	D) (1 - 2cos2A)/(sinA cosA)

Answer & Explanation Answer: D) (1 - 2cos2A)/(sinA cosA)

Explanation:

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Filed Under: Simplification
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Q:

Badki can bake 45 cakes in 9 hours, Badki and Chutki together can bake 80 cakes in 10 hours. How many cakes Chutki can bake in 40 hours?

A) 125	B) 10
C) 120	D) 20

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