Quantitative Aptitude - Arithmetic Ability Questions

Q:

Which of the following equations has 3 as a root?

A) x2 -­ 7x + 12 = 0 B) x2 -­ 5x + 12 = 0
C) x2 + 3x + 12 = 0 D) x2 + 3x -­ 12 = 0
 
Answer & Explanation Answer: A) x2 -­ 7x + 12 = 0

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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

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Q:

The sum of two numbers is 25 and sum of their square is 313. Calculate the numbers.

A) 15, 10 B) 18, 7
C) 11, 14 D) 12, 13
 
Answer & Explanation Answer: D) 12, 13

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams , CAT

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Q:

A and B undertake a piece of work for Rs. 250 . A alone can do that work in 5 days and B alone can do that work in 15 days . With the help of C, they finish the work in 3 days . If every one gets paid in proportion to work done by them, the amount C will get is 

A) Rs.50 B) Rs.100
C) Rs.150 D) Rs.200
 
Answer & Explanation Answer: A) Rs.50

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

In a cyclic quadrilateral ABCD , the side AB is extended to a point X. If ∠XBC = 82° and ∠ADB = 47° , then the value of ∠BDC is

A) 40° B) 35°
C) 30° D) 25°
 
Answer & Explanation Answer: B) 35°

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

A right circular cylinder is partially filled with water. Two iron spherical balls are completely immersed in the water so that the height of the water in the cylinder rises by 4 cm. If the radius of one ball is half of the other and the diameter of the cylinder is 18 cm, then the radii of the spherical balls are

A) 6 cm and 12 cm B) 4 cm and 8 cm
C) 3 cm and 6 cm D) 2 cm and 4 cm
 
Answer & Explanation Answer: C) 3 cm and 6 cm

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

The radius of a cylindrical milk container is half its height and surface area of the inner part is 616 sq.cm. The amount of milk that the container can hold, approximately, is [ Use : √5 = 2.23 and π = 22/7 ]

A) 1.42 litres B) 1.53 litres
C) 1.71 litres D) 1.82 litres
 
Answer & Explanation Answer: B) 1.53 litres

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

On selling 120 bottles, Vijay earns profit equal to the cost price of 10 bottles. What is the profit percentage?

 

A) 8.33   B) 9.09  
C) 7.7   D) 12.5
 
Answer & Explanation Answer: A) 8.33  

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

ΔGHI is similar to ΔKLM. If the ratio of Perimeter of Δ GHI : Perimeter of ΔKLM = 1:4, and length of GH is 2 cm, what is the length of the corresponding side KL?

A) 4 cm B) 8 cm
C) 32 cm D) 16 cm
 
Answer & Explanation Answer: B) 8 cm

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Filed Under: Area
Exam Prep: Bank Exams

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