Q:

Germany signed the Armistice Treaty on ____ and World War I ended

A) January 19, 1918	B) May 30, 1918
C) November 11, 1918	D) February 15, 1918

Answer & Explanation Answer: C) November 11, 1918

Explanation:

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20 7613

Q:

Of the following tree structure, which is, efficient considering space and time complexities?

A) Incomplete Binary Tree	B) Complete Binary Tree
C) Full Binary Tree	D) None

Answer & Explanation Answer: B) Complete Binary Tree

Explanation:

Full binary tree loses its nature when operations of insertions and deletions are done. For incomplete binary trees, extra storage is required and overhead of NULL node checking takes place. So complete binary tree is the better one since the property of complete binary tree is maintained even after operations like additions and deletions are done on it.

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6 7612

Q:

When was the wealth tax first introduced in India ?

A) 1948	B) 1957
C) 1976	D) 1991

Answer & Explanation Answer: B) 1957

Explanation:

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Filed Under: Indian Politics

27 7603

Q:

The Reserve Bank of India does NOT decide the .........

A) Rate of Repo and Reverse Repo	B) Marginal Standing Facility Rates
C) Statutory Liquidity Ratio	D) Rate of Dearness Allowance to Govt. Employees

Answer & Explanation Answer: D) Rate of Dearness Allowance to Govt. Employees

Explanation:

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12 7602

Q:

Which of the following crop is known as Green Gold?

A) Coffee	B) Neem
C) Tea	D) Rice

Answer & Explanation Answer: C) Tea

Explanation:

Tea crop is known as Green Gold.

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Filed Under: General Science
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11 7600

Q:

Gold and silver are extracted from their respective ores by _______

A) Smelting	B) Roasting
C) Leaching	D) Hydro metallurgy

Answer & Explanation Answer: D) Hydro metallurgy

Explanation:

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Filed Under: Chemistry

24 7599

Q:

Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K?

A) K1k2/k1+k2	B) 2k1k2/k1+k2
C) K1+k2/k1k2	D) None

Answer & Explanation Answer: B) 2k1k2/k1+k2

Explanation:

We know that,

The equivalent K = $\frac{L 1 + L 2}{\frac{L 1}{K 1} + \frac{L 2}{K 2}}$

where L1 & L2 are plate1 & Plate2 thicknesses, K1 & K2 are coefficient thermal conductivity of plate1 & Plate2 respectively.

But here L1 = L2 = L (say)

Then K = L+L/(L/K1 + L/K2) = $\frac{2 K 1 K 2}{K 1 + K 2}$

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Filed Under: Physics
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12 7597

Q:

The monomer of polythene is

A) ethylene	B) ethyl alcohol
C) vinyl chloride	D) ethanol

Answer & Explanation Answer: A) ethylene

Explanation:

The monomer of polythene is ethylene.

the_monomer_of_polythene_is1546857163.png image

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17 7595

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