Q:

$∆ DEF$ is right angled at E. If m∠F = $45^{°}$ , then find the value of (cosecD - 1/√3).

A) (√6-1)/√3	B) (1-√6)/√2
C) √3-2	D) (2-√3)/2√3

Answer & Explanation Answer: A) (√6-1)/√3

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

Koushik can do a piece of work in X days and Krishnu can do the same work in Y days. If they work together, then they can do the work in

A) (X+Y) days	B) 1x+y days
C) xyx+y days	D) x+yxy days

Answer & Explanation Answer: D) x+yxy days

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

Polynucleotide chain of DNA contains

A) a nitrogenous base, deoxyribose sugar and phosphate group	B) a nitrogenous base, ribose sugar and phosphate group
C) deoxyribose sugar, ribose sugar and phosphate group	D) a nitrogenous base and phosphate group only

Answer & Explanation Answer: A) a nitrogenous base, deoxyribose sugar and phosphate group

Explanation:

The two DNA strands are called polynucleotidesbecause they are composed of simpler monomer units called nucleotides. Eachnucleotideis composed of one of four nitrogen-containingnucleobases (cytosine, guanine, adenine or thymine), a sugar called deoxyribose, and a phosphate group.

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Filed Under: Biology
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Q:

Sulphur and Chlorine can have what type of a bond?

A) Polar covalent	B) Polyionic
C) Non-polar covalent	D) Ionic

Answer & Explanation Answer: A) Polar covalent

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Filed Under: Chemistry
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Q:

Which permanent tissue makes a plant hard and stiff?

A) Parenchyma	B) Aerenchyma
C) Collenchymas	D) Sclerenchyma

Answer & Explanation Answer: D) Sclerenchyma

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Filed Under: Biology
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Q:

Periyar National Park is in which mountain range?

A) Aravalli Range	B) Vindhya Range
C) Eastern Ghats	D) Western Ghats

Answer & Explanation Answer: D) Western Ghats

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Filed Under: Indian Geography
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Q:

Nepal does not share its border with which Indian state?

A) Uttarakhand	B) Haryana
C) West Bengal	D) Sikkim

Answer & Explanation Answer: B) Haryana

Explanation:

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Filed Under: Indian Geography
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Q:

Where is the Film and Television Institute of India located?

A) Ahmedabad	B) Mysore
C) Mumbai	D) Pune

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