Questions

Q:

A and B together can finish a work in 30 days. They worked for it for 20 days and then B left the work. The remaining work was done by A alone in 20 days more. In how many days can A alone finish the work?

A) 48 days B) 50 days
C) 54 days D) 60 days
 
Answer & Explanation Answer: D) 60 days

Explanation:
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Q:

Select the related word/letters/numbers from the given alternatives:
ECFG : FDGH :: SQTU : ?

A) TRVU B) TVUR
C) TRUV D) SRTV
 
Answer & Explanation Answer: C) TRUV

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Q:

Accumulation of which one of the following in the leads to cramp?

A) Lactic acid B) Ethanol
C) Pyruvic acid D) Glucose
 
Answer & Explanation Answer: A) Lactic acid

Explanation:

Muscle cramping is a common problem encountered by athletes and non athletes alike. Defined as painful involuntary skeletal muscle contractions, cramps may be categorized as either non exercise related or exercise related. Traditionally, such cramping was believed to arise from dehydration, electrolyte imbalances (including magnesium, potassium and sodium),accumulation of lactic acid, or low cellular energy levels.

 

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Filed Under: Biology
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Q:

In the following question, out of the four alternatives, select the word similar in meaning to the word given.
Pernicious

A) Beneficial B) Dangerous
C) Innocuous D) Advantageous
 
Answer & Explanation Answer: B) Dangerous

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Filed Under: English
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Q:

What are the organs similar in basic structure/shape, modified to perform different functions called?

A) Analogous organs B) Homologous organs
C) Heterogeneous organs D) Homogenous organs
 
Answer & Explanation Answer: B) Homologous organs

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Filed Under: Biology
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Q:

The operating system UNIX is the trademark of

A) Microsoft B) Bell Laboratories
C) Apple D) Motorola
 
Answer & Explanation Answer: B) Bell Laboratories

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Filed Under: Computer
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Q:

Calculate the work done by the force of gravity when a satellite moves in an orbit of radius 40,000 km around the earth.

A) 8,000 J B) 4,00,000 J
C) 0 J D) 4,000 J
 
Answer & Explanation Answer: C) 0 J

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Filed Under: Physics
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Q:

A compressed spring possesses more energy than a spring of normal length because the compressed spring has

A) chemical energy B) potential energy
C) heat energy D) kinetic energy
 
Answer & Explanation Answer: B) potential energy

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Filed Under: Physics
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