Aptitude and Reasoning Questions

Q:

In triangle PQR, C is the centroid. PQ = 30 cm, QR = 36 cm and PR = 50 cm. If D is the midpoint of QR, then what is the length (in cm) of CD?

A) (4√86)/3 B) (2√86)/3
C) (5√86)/3 D) (5√86)/2
 
Answer & Explanation Answer: A) (4√86)/3

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Filed Under: Area
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Q:

If A = 232, B = 231+ 230+ 229+ ... + 20and C = 315+ 314+ 313+ ... + 30, then which of the following option is TRUE?

A) C > B > A B) C > A > B
C) A > B > C D) A > C > B
 
Answer & Explanation Answer: B) C > A > B

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Filed Under: Numbers
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Q:

Pointing towards a boy Meera said 'He is the son of the only son of my grandfather.' How is that boy related to Meera?

A) Cousin B) Brother
C) Uncle D) Brother-in-law
 
Answer & Explanation Answer: B) Brother

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Filed Under: Blood Relations
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Q:

If 9#3=6; 15#3=9; 60#4=32; then what is the value of 27#3=?

A) 24 B) 15
C) 13 D) 33
 
Answer & Explanation Answer: B) 15

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Filed Under: Coding and Decoding
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Q:

Introducing a girl, Ankit says, "She is the sister of the son of my mother's sister". How is the girl related to Ankit?

A) Niece B) Daughter
C) Sister D) Cousin
 
Answer & Explanation Answer: D) Cousin

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Filed Under: Blood Relations
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Q:

If each median of an equilateral triangle has a length of 12cm. Then what will be the value of in-radius (in cm) of the equilateral triangle?

A) 3 B) 4
C) 5 D) 6
 
Answer & Explanation Answer: B) 4

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Filed Under: Simplification
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Q:

A rectangular red carpet of size 6 ft ×12 ft has a dark red border 6 inches wide. What is the area of the dark red border?

 

A) 9 square feet B) 15 square feet
C) 17 square feet D) 18 square feet
 
Answer & Explanation Answer: C) 17 square feet

Explanation:
Initially carpet is 6×12 = 72 sq feet
Since red border is 6 inches wide from all 4 side
So area without border = 5× 11 = 55 sq feet
Area of border = total–area without border = 72–55 = 17 sq feet
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Filed Under: Volume and Surface Area
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Q:

Choose a figure which would most closely resemble the unfolded form of Figure (Z).

A) A B) B
C) C D) D
 
Answer & Explanation Answer: D) D

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Filed Under: Paper Cutting

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