Aptitude and Reasoning Questions

Q:

The radius of a wire is decreased to one-third. If volume remains the same, length will increase by

A) 1.5 times B) 3 times
C) 6 times D) 9 times
 
Answer & Explanation Answer: D) 9 times

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Filed Under: Volume and Surface Area
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Q:

What is the diameter (in cm) of a sphere of surface area 6.16 sq cm?

A) 1.4 B) 0.7
C) 2.8 D) 2.1
 
Answer & Explanation Answer: A) 1.4

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Q:

A circle has points P, Q, R on a circle in such a way that angle PQR is 60 deg and angle QRP is 80 deg. Calculate the angle subtended by an arc QR at the centre.

 

A) 40 deg B) 80 deg
C) 100 deg D) 120 deg
 
Answer & Explanation Answer: B) 80 deg

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Filed Under: Area
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Q:

X and Y are parents of four married sons, one married daughter and one unmarried daughter living in a joint family. Two of the sons have two daughters and one son each. The other two have two sons and one daughter each. How many male members are there in the family.

A) 9 B) 10
C) 11 D) 12
 
Answer & Explanation Answer: D) 12

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Filed Under: Blood Relations
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Q:

Vani is facing East direction. She turns 90 deg clockwise then 135 deg Anticlockwise and 45 deg clockwise, then in which direction she is facing now?

A) East B) West
C) North D) South
 
Answer & Explanation Answer: C) North

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Filed Under: Direction Sense Test
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Q:

Find the length of a transverse common tangent of the two circles whose radii are 3.5 cm, 4.5 cm and the distance between their centres is 10 cm.

A) 6 cm B) 8 cm
C) 6.4 cm D) 3.6 cm
 
Answer & Explanation Answer: A) 6 cm

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Q:

What is the slope of the line perpendicular to the line passing through the points (­-4,5) and (3,­-2)?

A) 2 B) 3/7
C) -3/7 D) 1
 
Answer & Explanation Answer: D) 1

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Q:

If a2+1=a, then the value of a3 is

A) 0 B) 1
C) -1 D) 2
 
Answer & Explanation Answer: C) -1

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