Exams


Q:

 What is the value of (sin60° - 2/√3) ?

A) -1/2√3 B) -1/2
C) 1/√3 D) (1-2√3)/2
 
Answer & Explanation Answer: A) -1/2√3

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Filed Under: Simplification
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Q:

The area of a semicircle is 1925 cm2. Calculate its perimeter (in cm).

A) 360 B) 80
C) 160 D) 180
 
Answer & Explanation Answer: D) 180

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Filed Under: Volume and Surface Area
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Q:

The amount of extension in a spring is proportional to the weight hung on it. If the weight of 5 kgs produces an extension of 0.4 cm, what weight would produce an extension of 5cm?

A) 6.25kgs B) 62.5kgs
C) 4kgs D) 40kgs
 
Answer & Explanation Answer: B) 62.5kgs

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Filed Under: Volume and Surface Area
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Q:

Which of the following is not a renewable source of energy?

A) Solar B) Wind
C) Ocean waves D) Coal
 
Answer & Explanation Answer: D) Coal

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Filed Under: Physics
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Q:

In the following question, select the odd letter/letters from the given alternatives.

A) BGK B) HMR
C) LQV D) FKP
 
Answer & Explanation Answer: A) BGK

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Filed Under: Odd Man Out
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Q:

In January 2018, who has been awarded the 9th Infosys award for engineering and computer science?

A) Sanghamitra Bondopadhyaya B) Ananya J. Kabir
C) Upinder Singh Bhalla D) Ritabrata Munsi
 
Answer & Explanation Answer: A) Sanghamitra Bondopadhyaya

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Filed Under: Honours and Awards
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Q:

What is the time taken by a 180 m long train running at 54 kmph to cross a man standing on a platform?

A) 10 sec B) 12 sec
C) 11 sec D) 13 sec
 
Answer & Explanation Answer: B) 12 sec

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Filed Under: Problems on Trains
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Q:

Which of the following is the correct option for the congruency of the two triangles ABC and PQR as per the SAS congruency criterion?

 

A) AB = PQ B) BC = QR
C) ∡B = ∡Q D) All options are correct
 
Answer & Explanation Answer: D) All options are correct

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Filed Under: Area
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