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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:

Which acid is secreted by certain glandular cells in the stomach lining?

A) Hydrochloric  B) Ethanoic
C) Formic D) Nitric
 
Answer & Explanation Answer: A) Hydrochloric 

Explanation:
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Filed Under: Biology
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Q:

Which is the CORRECT pair of inherited chromosomes for the child to be a girl?

A) X from father and Y from mother B) Y from father and X from mother
C) Y from father and Y from mother D) X from father and X from mother
 
Answer & Explanation Answer: D) X from father and X from mother

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Filed Under: Biology
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Q:

The goods which people consume more, when their price rises are called _______.

A) Essential goods B) Capital goods
C) Veblen goods D) Giffen goods
 
Answer & Explanation Answer: D) Giffen goods

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Q:

Goods for which demand move in the opposite direction of the income of the consumer are called?

A) Inferior goods B) Normal goods
C) Complementary goods D) Substitute goods
 
Answer & Explanation Answer: A) Inferior goods

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Q:

__________ of an input is defined as the change in output per unit of change in the input when all other inputs are held constant.

A) Marginal product B) Production function
C) Total product D) Average product
 
Answer & Explanation Answer: A) Marginal product

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Q:

A hand made paper workshop can hire 8 craftsmen by paying them Rs 400 per person per day. The 9th craftsman demands Rs 450 per day. If this craftsman is hired then all other craftsmen must be paid Rs 450. The marginal resource (labour) cost of the 9th craftsman is

A) Rs 50 B) Rs 850
C) Rs 800 D) Rs 100
 
Answer & Explanation Answer: B) Rs 850

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Q:

All isotopes of the same element have ____________

A) different atomic numbers and different atomic mass B) different atomic numbers and the same atomic mass
C) the same atomic number but different atomic masses D) the same atomic number and the atomic mass
 
Answer & Explanation Answer: C) the same atomic number but different atomic masses

Explanation:
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Filed Under: Chemistry

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