Questions

Q:

If x = [1/(√5 + √3)], y = [1/(√7 + √5)] and z = [1/(√7 + √3)], then what is the value of (x + y + z)?

A) 3/4(√7 – √3) B) √5 – √3
C) √7 + √5 D) 1/2(√7 + √3)
 
Answer & Explanation Answer: A) 3/4(√7 – √3)

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Q:

Gautam travels 160 kms at 32 kmph and returns at 40 kmph. Then average speed is

A) 72 kmph B) 71.11 kmph
C) 36 kmph D) 35.55 kmph
 
Answer & Explanation Answer: D) 35.55 kmph

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Q:

In October 2015, more than 350 landmarks in more than 90 countries were lit blue, the official colour of the United Nations. What was the occasion?

A) 70th Anniversary of United Nations B) 90th Anniversary of United Nations
C) 50th Anniversary of United Nations D) 60th Anniversary of United Nations
 
Answer & Explanation Answer: A) 70th Anniversary of United Nations

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Filed Under: Indian History
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Q:

Robert Hooke discovered cells by observing them in a ______.

A) onion peel B) cork slice
C) pond water   D) No option is correct
 
Answer & Explanation Answer: B) cork slice

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Filed Under: Inventions
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Q:

Most rich coal deposit region is

A) Brahmaputra Valley B) Damoder Valley
C) Mahanadi Valley D) Godavari Valley
 
Answer & Explanation Answer: B) Damoder Valley

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Filed Under: Indian Geography

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Q:

Which of the following bacteria is responsible for the formation of curd?

A) Lycopodium B) Yeast
C) Lacto-bacillus D) Fungus
 
Answer & Explanation Answer: C) Lacto-bacillus

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Filed Under: Biology
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Q:

If waste materials contaminate the source of drinking water, which of the following diseases will spread?

A) Scurvy B) Typhoid
C) Malaria D) Anaemia
 
Answer & Explanation Answer: B) Typhoid

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Filed Under: Biology
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Q:

In a Punnett Square with the cross AaBb x Aabb, how many AaBb genotypes would be created?

A) 4 B) 1
C) 7 D) 6
 
Answer & Explanation Answer: A) 4

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Filed Under: Biology
Exam Prep: Bank Exams

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