Questions

Q:

Common salt (NaCl) is made up of

A) a weak acid and a weak base B) a strong acid and a weak base
C) a weak acid and a strong base D) a strong acid and a strong base
 
Answer & Explanation Answer: D) a strong acid and a strong base

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Q:

Which one of the following statements is not correct?

A) When total utility is maximum, marginal utility is zero B) When total utility is decreasing, marginal utility is negative
C) When total utility is increasing, marginal utility is positive D) When total utility is maximum,marginal and average utility are equal to each other.
 
Answer & Explanation Answer: D) When total utility is maximum,marginal and average utility are equal to each other.

Explanation:

Total utility -It is total psychological satisfaction which a consumer derives from the consumption of a commodity is known as total utility

Marginal utility -It is anaddition made in total utility by consuming and additional unit of a commodity is known as marginal utility.

•When marginal utility is positive,total utility increases

•When marginal utility is zero,total utility is at maximum

•When marginal utility is negative,total utility decreases

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Q:

In a market system, the central problems regarding how much and what to produce are solved through the coordination of economic activities brought about by ________ signals.

A) Supply B) Demand
C) Price D) Stock Market
 
Answer & Explanation Answer: C) Price

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Q:

If demand curve for racing cycles is D = 80200 ­ 13P and supply curve is S = 6200 + 12P, What is the equilibrium Quantity?

A) 2960 units B) 31220 units
C) 8750 units D) 41720 units
 
Answer & Explanation Answer: D) 41720 units

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Q:

The 14th Finance Commission has recommended increase in States share in net proceeds from tax collection from 32% to

A) 35% B) 40%
C) 42% D) 45%
 
Answer & Explanation Answer: C) 42%

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Q:

Atomic numbers of four elements are as follows : F(9), P(15), Cl(17), Ar(18). Which of the following two elements would be chemically similar?

A) F and Ar B) Cl and P
C) F and P D) F and Cl
 
Answer & Explanation Answer: D) F and Cl

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Q:

______ is a strong drug that doctors give to people to make them calm or help them sleep.

A) Barbiturate B) Antidepressant
C) Antihistamine D) Beta-Blocker
 
Answer & Explanation Answer: A) Barbiturate

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Q:

'Group of Monuments' at Mahabalipuram one of the 'UNESCO World Heritage Site' founded by the Pallava Kings is in ____ district of ____.

A) Thanjavur, Tamil Nadu B) Kancheepuram, Tamil Nadu
C) Sivagangai, Tamil Nadu D) Nilgiris, Tamil Nadu
 
Answer & Explanation Answer: B) Kancheepuram, Tamil Nadu

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