Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of equation a3+b3+c3-3abc if a2+b2+c2=ab+bc+ca+4 and a+b+c = 4.

A) 0 B) 1
C) 16 D) 256
 
Answer & Explanation Answer: C) 16

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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 given alternatives.

A) 2 – 4 B) 4 – 16
C) 6 – 36 D) 8 – 66
 
Answer & Explanation Answer: D) 8 – 66

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Q:

A cylindrical vessel of radius 8 cm is partially filled with water. By how much will the water level rise if a sphere of radius 7 cm is completely immersed in this water?

A) 7.15 cm B) 14.3 cm
C) 21.45 cm D) 28.6 cm
 
Answer & Explanation Answer: A) 7.15 cm

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Filed Under: Volume and Surface Area
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Q:

In an isosceles trapezium ______.

A) Opposite sides are parallel B) Opposite angles are supplementary
C) Opposite angles are not equal D) Diagonals bisect opposite angles
 
Answer & Explanation Answer: B) Opposite angles are supplementary

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Q:

If x2 + ax + b, when divided by x - 3, leaves a remainder of 22 and x2 + bx +a, when divide by x - 3, leaves a remainder of 24, then a + b = ?

 

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

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Filed Under: Problems on Numbers
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Q:

30 men working 5 hours a day can do a task in 16 days. In how many days will 40 men working 6 hours a day do the same task?

A) 12 days B) 10 days
C) 15 days D) 18 days
 
Answer & Explanation Answer: B) 10 days

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Filed Under: Time and Work
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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 of 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 given alternatives.

A) 11 – 121   B) 13 – 169
C) 19 – 361 D) 17 – 279
 
Answer & Explanation Answer: D) 17 – 279

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Q:

If Sin θ = 20/29 , then what is the value of Sec Sin θ ?

A) 29/21 B) 29/20
C) 21/20 D) 21/29
 
Answer & Explanation Answer: A) 29/21

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