CAT Questions

Q:

What are the followers of Judaism called?

A) Jews B) Judais
C) Sakhs D) Sikhs
 
Answer & Explanation Answer: A) Jews

Explanation:

Judaism is the world's oldest monotheistic religion with the belief in one God. The followers of Judaism are called Jews.

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Q:

(3x + 2) (2x - 5) = ax² + kx + n. What is the value of  a - n + k ?

A) 4 B) 1
C) 5 D) 3
 
Answer & Explanation Answer: C) 5

Explanation:

(3x + 2) (2x - 5) = ax2+kx+n ...............(1)

 

But (3x + 2)(2x - 5) = 6x2-11x-10........(2)

 

so by comparing (1) & (2),

 

we get a= 6, k= -11 , n= -10

 

(a - n + k) = 6 + 10 - 11 = 5.

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Q:

What is the hierarchy in the structure of the House?

A) The Speaker is at the top, and the whips are at the bottom. B) The floor leaders are at the top, and the members are at the bottom.
C) The members are at the top, and the floor leaders are at the bottom. D) The Speaker is at the top, and the members are at the bottom.
 
Answer & Explanation Answer: D) The Speaker is at the top, and the members are at the bottom.

Explanation:

Hierarchy is a method to structure an establishment employing various levels of administration and a vertical section, or series of command, between higher and lower levels of the organization. Superior levels dominate lower levels of the bureaucracy.

 

The Speaker is at the top, and the members are at the bottom.

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Q:

The term aerotolerant anaerobe refers to an organism that

A) uses oxygen or grows without oxygen. B) requires more oxygen than is present in air.
C) does not use oxygen but tolerates it. D) requires less oxygen than is present in air.
 
Answer & Explanation Answer: C) does not use oxygen but tolerates it.

Explanation:
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Q:

In which layer is the temperature the lowest?

A) Troposphere B) Ionosphere
C) Mesosphere D) Stratosphere
 
Answer & Explanation Answer: C) Mesosphere

Explanation:

The mesosphere lies above the stratosphere and extends to an altitude of about 85 km. This is layer is often referred to as the cold layer, as the lowest readings in the atmosphere are found here.

 

Temperature decreases with height, reaching a minimum average value of -90 ºC at the top of the layer.

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Q:

caffeine is also a what?

A) Psychoactive B) Barbiturate
C) Narcotic D) Opioid
 
Answer & Explanation Answer: A) Psychoactive

Explanation:

Caffeine is also a psychoactive drug which alters the mood and conscious in our behaviour. It is widely consumed as a psychoactive drug.

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Q:

Oxygen in our blood is transported by a protein named

A) keratin B) myoglobi
C) collagen D) haemoglobin
 
Answer & Explanation Answer: D) haemoglobin

Explanation:

Oxygen in our blood is transported by a protein named Haemoglobin.

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Q:

DI.

What is the difference between the number of uneducated females in city P and that of uneducated males in city S ?

A) 9 lakhs B) 6 lakhs
C) 3 lakhs D) 2 lakhs
 
Answer & Explanation Answer: A) 9 lakhs

Explanation:

Educated females in city P = 25 lakhs

Uneducated females in city P = 30 - 25 = 5 lakhs

Educated males city S = 21 lakhs

Educated males in city S = 35 - 21= 14 lakhs

Required difference = 14 - 5 = 9 lakhs

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