Quantitative Aptitude - Arithmetic Ability Questions

Q:

If x2 + ax + b, when divided by x - 4, leaves a remainder of 32 and x2 + bx +a, when divided by x - 4, leaves a remainder of 35, then a + b = ?

 

A) -7 B) 23
C) 7   D) -23
 
Answer & Explanation Answer: D) -23

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Filed Under: Simplification
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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) 29 – 34   B) 32 – 37  
C) 34 – 39   D) 24 – 28
 
Answer & Explanation Answer: D) 24 – 28

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Filed Under: Odd Man Out
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Q:

Calculate the length (in cm) of the chord of the circle which is at the distance of the 12 cm from the centre and at the radius of the circle is 13 cm.

 

A) 10 B) 12
C) 13 D) 15
 
Answer & Explanation Answer: A) 10

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Filed Under: Area
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Q:

The number of diagonals in a pentadecagon is

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

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Filed Under: Volume and Surface Area
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Q:

Find the total surface area (in cm²) of a right circular cylinder of diameter 28 cm and height 12 cm.

 

A) 2200   B) 2080
C) 1920 D) 2288
 
Answer & Explanation Answer: D) 2288

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Filed Under: Volume and Surface Area
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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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Filed Under: Volume and Surface Area
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Q:

Calculate the value of OBC + BAC, if O is the circum-center of the triangle ABC inscribed in the circle.

 

 

 

A) 60 deg B) 90 deg
C) 120 deg D) 130 deg
 
Answer & Explanation Answer: B) 90 deg

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Filed Under: Volume and Surface Area
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Q:

If FRIEND is coded as HUMJTK, how can CANDLE be written in that code?

A) EDRIRL B) ESJFME
C) DCQHQK D) DEQJQM
 
Answer & Explanation Answer: A) EDRIRL

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