Quantitative Aptitude - Arithmetic Ability Questions

Q:

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A) (5, 10, 15) B) (7, 14, 21)
C) (6, 12, 18) D) (8, 16, 28)
 
Answer & Explanation Answer: D) (8, 16, 28)

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Filed Under: Odd Man Out
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Q:

What is the value of 643 × 121289 - 169 ?

A) 12 B) 11
C) 1/11 D) 1/12
 
Answer & Explanation Answer: B) 11

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Filed Under: Simplification
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Q:

Sin6A + Cos6A - 1 is equal to

A) -3Sin2ACos2A B) 1 - 3 SinACosA
C) 1 + 3Sin2ACos2A D) 0
 
Answer & Explanation Answer: A) -3Sin2ACos2A

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Q:

Calculate the sum of squares from 1 to 9.

A) 284 B) 285
C) 385 D) 380
 
Answer & Explanation Answer: B) 285

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Filed Under: Simplification
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Q:

The length, breadth and height of a cuboid are 10 cm, 6 cm and 4 cm respectively. What is the total surface area?

A) 248 sq cms B) 496 sq cms
C) 124 sq cms D) 372 sq cms
 
Answer & Explanation Answer: A) 248 sq cms

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Filed Under: Volume and Surface Area
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Q:

The measures of the four angles of a quadrilateral are in the ratio 1:2:4:5. What is the measure of the biggest angle?

A) 120° B) 30°
C) 60° D) 150°
 
Answer & Explanation Answer: D) 150°

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Filed Under: Volume and Surface Area
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Q:

An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

A) 7.8 m B) 7.8 m/s
C) 7.8 m-s D) 6.67 m/s
 
Answer & Explanation Answer: B) 7.8 m/s

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Q:

The difference between Charles' and Shriya's ages is 6 years. When they married each other 30 years ago, 4 times Charle's age was the same as 5 times the age of Shriya. What is the current sum of their ages?

A) 115 yrs B) 112 yrs
C) 114 yrs D) 110 yrs
 
Answer & Explanation Answer: C) 114 yrs

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Filed Under: Problems on Ages
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