Aptitude and Reasoning Questions

Q:

If 3cos2x - 2sin2x = -0.75 and 0° x  90°, then x = ?

 

A) 30 deg B) 90 deg
C) 60 deg D) 45 deg
 
Answer & Explanation Answer: C) 60 deg

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Filed Under: Simplification
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Q:

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

A) XYZ B) LMN
C) CDF D) RST
 
Answer & Explanation Answer: C) CDF

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Filed Under: Odd Man Out
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Q:

If x = 5 + 15 - 1 & y = 5 - 15 + 1 , then find the value of x2 - y2.

A) √5 B) 2√5
C) 3√5 D) 4√5
 
Answer & Explanation Answer: C) 3√5

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Q:

What is the value of 26 + 152?

A) 17 B) 19
C) 15 D) 21
 
Answer & Explanation Answer: A) 17

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Q:

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

 

Statements:
(I) Some bags are hot.
(II) All hot things are cakes.

 

Conclusion:
(I) All cakes are bags.
(II) All bags are cakes.

 

A) Conclusion I follows B) Conclusion II follows
C) Neither I nor II follows D) Both I and II follows
 
Answer & Explanation Answer: C) Neither I nor II follows

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Filed Under: Statement and Conclusions
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Q:

PQR is an equilateral triangle. MN is drawn parallel to QR such that M is on PQ and N is on PR. If PN = 6 cm, then the length of MN is

A) 3 cm B) 6 cm
C) 12 cm D) 4.5 cm
 
Answer & Explanation Answer: B) 6 cm

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Filed Under: Volume and Surface Area
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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:

An angle in a semicircle is

A) 45° B) 60°
C) 90° D) 120°
 
Answer & Explanation Answer: C) 90°

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Filed Under: Volume and Surface Area
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