Exams


Q:

A train is moving with uniform speed crosses two tunnels of lengths 270 metres and 450 metres in 12 seconds and 15 seconds respectively. What is the speed (in km/hr) of the train?

 

A) 144 B) 169
C) 196 D) 216
 
Answer & Explanation Answer: D) 216

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Filed Under: Problems on Trains
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Q:

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

 

CDE, HIJ, MNO, ?

 

A) KNM B) TRS
C) QRS D) RST
 
Answer & Explanation Answer: D) RST

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Filed Under: Alphabet Test
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Q:

If ax - 4y = -6 has a slope of -3/2. What is the value of a?

A) 6 B) 3
C) -6 D) -3
 
Answer & Explanation Answer: C) -6

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Filed Under: Volume and Surface Area
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Q:

Which of the following physical quantity measures the rate of work done?

A) Power B) Momentum
C) Force D) Energy
 
Answer & Explanation Answer: A) Power

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Filed Under: Physics
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Q:

Which of the following changes when a body performs uniform circular motion?

A) Mass B) Momentum
C) Speed D) Direction
 
Answer & Explanation Answer: D) Direction

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Filed Under: Physics
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Q:

American astronaut Scott Joseph Kelly commanded the International Space Station Consecutively for 340 days on ___.

A) Expedition 24 B) Expedition 25
C) Expedition 26 D) Expedition 27
 
Answer & Explanation Answer: C) Expedition 26

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Filed Under: General Science
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Q:

Echocardiogram is more closely related to

A) Doppler effect B) Zeeman effect
C) Photoelectric effect D) Magnetic effect
 
Answer & Explanation Answer: A) Doppler effect

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Filed Under: Physics
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Q:

The metal that can be cut with a knife is

A) Sodium B) Iron
C) Aluminium D) Copper
 
Answer & Explanation Answer: A) Sodium

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Filed Under: Chemistry
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