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Q:

When should you stop at green and go at red?

Answer

While eating a watermelon, we all go along the red and stops at green.

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Subject: Logic Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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Q:

Smallest prime number greater than 200?

A) 201 B) 205
C) 211 D) 203
 
Answer & Explanation Answer: C) 211

Explanation:

From the trial and error method of division,

201 is divisible by 3

205 is divisible by 5

203 is divisible by 7

 

Hence, after eliminating three options, remained is 211 and is divisible by only 1 and itself. 

 

Therefore, 211 is the smallest prime number greater than 200.

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Filed Under: Arithmetical Reasoning
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Q:

Glass is made from the mixture of

A) Sand and silicates B) Salt and Sand
C) Salt and silicates D) None of the above
 
Answer & Explanation Answer: A) Sand and silicates

Explanation:
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Filed Under: Physics
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Q:

Speed regulation of synchronous motor is

A) 1% B) 25%
C) Zero D) 0.5%
 
Answer & Explanation Answer: C) Zero

Explanation:

speed_regulation_of_synchronous_motor1553077296.jpg image

Synchronous motor is a motor which runs at a constant speed irrespective of load attached to it. So the speed regulation of synchronous motor is ZERO.

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Filed Under: Physics
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Q:

Select the synonym of
troll

A) spruce B) suave
C) gnome D) dapper
 
Answer & Explanation Answer: C) gnome

Explanation:
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Filed Under: English
Exam Prep: Bank Exams , CAT

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Q:

Plants are photoautotrophs. What does this mean?

Answer

Photoautotrophs are those organisms that can make their own food using sun light with the help of the process of photosynthesis.


Plants can prepare their own food using sunlight. Hence they are Photoautotrophs.

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Subject: General Science Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

Train A can cross a man in 8 sec and a 180 m long platform ‘P’ in 17 sec. If train A cross train B which is running in opposite direction at speed of 108 km/hr in 8 sec, then find time taken by train B to cross platform P? 

A) 16 sec B) 11 sec
C) 14 sec D) 12 sec
 
Answer & Explanation Answer: C) 14 sec

Explanation:

Let length of train A be ‘L’ m and speed be ‘V’ m/s

ATQ –

V =

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Filed Under: Problems on Trains
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Q:

Which statement describes nuclear binding energy?

A) It is the energy that is required to overcome mass defect. B) It is the result of converting mass to energy.
C) It is the energy that is required to bind protons and neutrons together in a nucleus. D) None of the above
 
Answer & Explanation Answer: A) It is the energy that is required to overcome mass defect.

Explanation:

Nuclear binding energy is the minimum energy that would be required to disassemble the nucleus of an atom into its component parts. These component parts are neutrons and protons, which are collectively called nucleons.

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Filed Under: Chemistry
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