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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Find out the odd word/letters/number/number pair from the given alternatives.

A) PD B) LE
C) IC D) DB
 
Answer & Explanation Answer: B) LE

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 1882
Q:

Two equal circles intersect such that each passes through the centre of the other. If the length of the common chord of the circles is 10√3 cm, then what is the diameter of the circle?

A) 10 cm B) 15 cm
C) 20 cm D) 30 cm
 
Answer & Explanation Answer: C) 20 cm

Explanation:

Let there be 2 circles with centre O1 and OAB is the common chord

Since both passes through the center of each other as shown in figure

So O1O is the radius of both

Let O1O = r = AO1= AO

AX = AB / 2 = 5√3 cm (since OX perpendicular to chord bisects it)

AOO1 forms an equilateral triangle with on side = radius = r

Sin 60 = √3/2 = AX / AO = 5√3/r

So r = 10 cm

So diameter = 20 cm

 

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1882
Q:

The area of a circle is 346.5 cm2. Find its circumference (in cm).

A) 132 B) 38
C) 66 D) 76
 
Answer & Explanation Answer: C) 66

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Filed Under: Area
Exam Prep: Bank Exams

1 1881
Q:

A trader had 12 quintals of wheat. He sold a part of it at 13% profit and the rest at 23% profit, so that he made a total profit of 17 %. How much wheat did he sell at 23% profit?

A) 720 kg B) 240 kg
C) 480 kg D) 960 kg
 
Answer & Explanation Answer: C) 480 kg

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

3 1881
Q:

The area of the largest triangle that can be inscribed in a semicircle of radius 6m is

A) 36 sq.m B) 72 sq.m
C) 18 sq.m D) 12 sq.m
 
Answer & Explanation Answer: A) 36 sq.m

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Filed Under: Area
Exam Prep: Bank Exams

1 1880
Q:

x and y are two numbers such that their mean proportion is 9 and third proportion is 243. What is the value of x and y?

A) 3 and 9 B) 3 and 27
C) 6 and 27 D) 6 and 81
 
Answer & Explanation Answer: B) 3 and 27

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

1 1880
Q:

A's salary is 50% more than that of B. Then B's salary is less than that of A by

A) 50% B) 44%
C) 33 1/3% D) 46 1/2%
 
Answer & Explanation Answer: C) 33 1/3%

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Filed Under: Percentage
Exam Prep: Bank Exams

0 1880
Q:

If A = 400 and B = 600, then A is how much percentage less than B?

A) 50 B) 66.66
C) 33.33 D) 25
 
Answer & Explanation Answer: C) 33.33

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Filed Under: Percentage
Exam Prep: Bank Exams

2 1880