Quantitative Aptitude - Arithmetic Ability Questions

Q:

 The line bisecting all the three angles of a triangle meets at a common point. This point is known as ______________.

A) circum-center B) centroid
C) orthocenter D) in-center
 
Answer & Explanation Answer: D) in-center

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Q:

If angles M and N measure 60 deg and 30 deg respectively, (sinM) x (cotN) = ?

A) 1/2 B) √3/2
C) 3/2 D) 0
 
Answer & Explanation Answer: C) 3/2

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Q:

The value of (0.00000729/0.00000027) is

A) 0.27 B) 0.027
C) 2.7 D) 27
 
Answer & Explanation Answer: D) 27

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Q:

Three numbers are given in which the second is triple the first and is also double the third. If the average of the three numbers is 66. Find the first number.

A) 36 B) 54
C) 108 D) 72
 
Answer & Explanation Answer: A) 36

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Q:

The area of the base of a cone is 64pi sq.cm while its slant height is 17 cm. This cone is remolded to obtain a solid sphere. The radius of this sphere will be

 

A) 2303 cm B) 2403 cm
C) 8303 cm D) 6.5 cm
 
Answer & Explanation Answer: A) 2303 cm

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Q:

A tent is to be built in the form of a cylinder of radius 7 m surmounted by a cone of the same radius. If the height of the cylindrical part is 8 m and slant height of the conical part is 12 m, how much canvas will be required to build the tent? Allow 20% extra canvas for folding and stitching. (Take π = 22/7)

A) 1478.4 sq mts B) 2217.6 sq mts
C) 369.6 sq mts D) 739.2 sq mts
 
Answer & Explanation Answer: D) 739.2 sq mts

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Q:

In ΔPQR measure of angle Q is 90 deg. If cotP = 8/15, and PQ = 4cm, then what is the length (in cm) of side PR?

 

A) 8.5   B) 7.5  
C) 5   D) 4
 
Answer & Explanation Answer: A) 8.5  

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Filed Under: Area
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Q:

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the

 

A) 16 – 32   B) 24 – 48  
C) 36 – 72   D) 32 – 66
 
Answer & Explanation Answer: D) 32 – 66

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Filed Under: Odd Man Out
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