Questions

Q:

ΔABC is similar to ΔDEF. If the ratio of similar sides is K:1, the ratio of their areas is

A) k2:1 B) 2k:1
C) k22:1 D) 2k2:1
 
Answer & Explanation Answer: A) k2:1

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Q:

If the momentum of a body is tripled, its KE will

A) become three times its original value B) remain the same
C) become six times its original value D) become nine times its original value
 
Answer & Explanation Answer: D) become nine times its original value

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Filed Under: Physics
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Q:

Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is

A) F/25 B) 5F
C) F/5 D) 25F
 
Answer & Explanation Answer: D) 25F

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Q:

In 2015 the nominal rate of interest in country was 6%, and the inflation rate then was 1.5%. So real rate of interest in 2015 was

A) 7.50% B) 4.50%
C) 4% D) 0.25%
 
Answer & Explanation Answer: B) 4.50%

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Q:

Bilateral monopoly situation is

A) when there are only two sellers of a product B) when there are only two buyers of a product
C) when there is only one buyer and one seller of a product D) when there are two buyers and two sellers of a product
 
Answer & Explanation Answer: C) when there is only one buyer and one seller of a product

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Q:

As per the data released by the Income­Tax Department in December 2017, how much percent of total population paid income tax in the assessment year 2015­16?

A) 1.7 B) 5.7
C) 9.7 D) 11.7
 
Answer & Explanation Answer: A) 1.7

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Q:

Rate of the growth of an economy is measured in terms of

A) National income B) Monthly family income
C) Number of people who have been lifted above the poverty line D) Industrial Development
 
Answer & Explanation Answer: A) National income

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Q:

In the process of ___, the iron is protected by a coating of zinc.

A) greasing B) alloying
C) galvanisation D) anodising
 
Answer & Explanation Answer: C) galvanisation

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