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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

What number should replace the question mark?

125, 138, 164, ?, 255

A) 189 B) 197
C) 200 D) 203
 
Answer & Explanation Answer: D) 203

Explanation:

The given number series is 125,   138,   164,   ?,   255

 

125

 

125 + 13x1 = 138

 

138 + 13x2 = 164

 

164 + 13x3 = 203

 

203 + 13x4 = 255

 

 

 

Hence, the missing number in the series is 203.

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Filed Under: Odd Man Out
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

5 101344
Q:

Select the odd figure out of the given figure series.

 

A) Tortoise B) Crab
C) Frog D) Fish
 
Answer & Explanation Answer: D) Fish

Explanation:
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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 100950
Q:

ΔXYZ is right angled at Y. If m∠Z = 30°, then find the value of (sinX - 3/√2).

 

A) (√6-6)/2√2 B) (√2-√3)/√6
C) -1/2 D) (1-2√3)/2
 
Answer & Explanation Answer: A) (√6-6)/2√2

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 100877
Q:

The perimeter of a square is 34 cm. Find its area (in cm2).

 

A) 144.5   B) 82.25  
C) 164.5   D) 72.25
 
Answer & Explanation Answer: D) 72.25

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

3 100706
Q:

(a - b)2 + 2ab = ?

 

A) a2 - b2 B) a2 + b2
C) a2 - 4ab + b2 D) a2 -  2ab + b2
 
Answer & Explanation Answer: B) a2 + b2

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

4 100518
Q:

A student has to obtain 33% of the total marks to pass. He got 125 marks and failed by 40 marks. The maximum marks are :

A) 500 B) 600
C) 800 D) 1000
 
Answer & Explanation Answer: A) 500

Explanation:

Given that the student got 125 marks and still he failed by 40 marks

 

=> The minimum pass mark = 125 + 40 = 165

 

Given that minimum pass mark = 33% of the total mark

 

=> total mark =33/100 =165

 

=> total mark = 16500/33 = 500

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Filed Under: Percentage

582 100391
Q:

Find the dividend if the divisor is (x+2), quotient is (4x-5) and the remainder is 12.

 

A) 4x2+5x+2 B) 4x2+3x+2
C) 4x2-3x+2 D) 4x2+3x-2
 
Answer & Explanation Answer: B) 4x2+3x+2

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 100052
Q:

A man spends 35% of his income on food, 25% on children's education and 80% of the remaining on house rent. What percent of his income he is left with ?

A) 6 % B) 8 %
C) 10 % D) 12 %
 
Answer & Explanation Answer: B) 8 %

Explanation:

Let the total income be x. 

Then, income left = (100 - 80)% of [100 -  (35 + 25)] % of x = 20% of 40% of x = [(20/100) * (40/100) * 100] % of x = 8 % of x.

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Filed Under: Percentage

529 99982