Q:

Sphalerite is an ore/mineral of

A) Mercury	B) Molybdenum
C) Silver	D) Zinc

Answer & Explanation Answer: D) Zinc

Explanation:

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Q:

From which of the following, is the GDP of a country not derived from?

A) Agricultural sector	B) Industrial sector
C) International sector	D) Service sector

Answer & Explanation Answer: C) International sector

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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:

The existence of a parallel economy (black money) ___________.

A) makes economy more competitive	B) makes the monetary policies less effective
C) ensures a better distribution of income and wealth	D) ensures increasing productive investment

Answer & Explanation Answer: B) makes the monetary policies less effective

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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:

15% of an alloy was silver. If in a quantity of alloy there was 51 g of silver, what was the quantity of the other elements in the alloy?

A) 204 g	B) 340 g
C) 300 g	D) 289 g

Answer & Explanation Answer: D) 289 g

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Q:

The permanent secretariat of OIC is located in

A) Makkah	B) Riyadh
C) Jeddah	D) Madina

Answer & Explanation Answer: C) Jeddah

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Q:

The tennis star, ___ was provisionally suspended after testing positive for banned drugs during Australian open 2016.

A) Maria Sharapova	B) Serena Williams
C) Ana Ivanovic	D) Andy Murray

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