Questions

Q:

A lens has a power +2.0 D. The type of lens and its focal length will be

A) Concave, -0.5 m B) Convex, 0.5 m
C) Concave, 0.5 m D) Convex, -0.5 m
 
Answer & Explanation Answer: B) Convex, 0.5 m

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Q:

The speed of the light is maximum in

A) Air B) Vacuum
C) Water D) Glass
 
Answer & Explanation Answer: B) Vacuum

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Q:

Where do plants synthesize protein from?

A) Fatty Acids B) Sugar
C) Amino Acids D) Starch
 
Answer & Explanation Answer: C) Amino Acids

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Q:

In which state is Koyna dam located?

A) Madhya Pradesh B) Rajasthan
C) Maharashtra D) Gujarat
 
Answer & Explanation Answer: C) Maharashtra

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Filed Under: Indian Geography
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Q:

What is a bank rate?

A) Rate at which Central bank of a country advances loans to other banks in the country B) Rate at which banks advance loans to the customers
C) Rate at which banks lend among themselves D) Rate at which banks lend to money lenders
 
Answer & Explanation Answer: A) Rate at which Central bank of a country advances loans to other banks in the country

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Filed Under: Indian Economy
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Q:

If quantity of good X demanded increases from 4000 units to 5000 units when price of good Y increases from Rs 75 to Rs 90, find Arc Cross elasticity of demand?

A) 0.55 B) 1.66
C) 0.25 D) 1.22
 
Answer & Explanation Answer: D) 1.22

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Q:

If demand curve for renting a car is D = 90000 -­ 23P and supply curve is S = 9000 + 7P, find the equilibrium Price?

A) Rs 1800 B) Rs 900
C) Rs 3600 D) Rs 2700
 
Answer & Explanation Answer: D) Rs 2700

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Q:

In the question given below, a statement is given followed by three courses of action. A course of action is taken for improvement, follow up, etc. Read the statement carefully and give your answer.

Statement:
A knife-wielding assailant killed a 29- year-old man and injured four others in a lively neighbourhood near Paris’ famed Opera Garnier before he was killed by police on Saturday night.

Courses of Action:
I. The government should ban the sale of knives in all major cities.
II. Any person seen carrying a knife should be immediately taken into police custody.
III. Policemen should be posted near all major tourist spots to avoid such untoward incidents.

A) Only course of action I follows B) Only course of action II follows
C) Both I and II follow D) Both II and III follow
 
Answer & Explanation Answer:

Explanation:

None of the courses of action follow. Banning the sale of knives just because one particular knife-wielding assailant went on a rampage makes no sense. Similarly, taking into police custody all those who are seen carrying knives is not something practical. Knives can be used for so many other purposes not involving the killing/harming of people. Finally, it is not a realistic expectation that posting policemen in all major tourist spots would reduce or altogether stop instances of such occurrences. Therefore, option E is the correct answer.

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