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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

The mean of marks secured by 50 students in division A of class X is 61, 25 students of division B is 57 and that of 50 students of division C is 55. What will be the mean of marks of the students of three divisions of Class X?

A) 57.1 B) 56.4
C) 59.2 D) 57.8
 
Answer & Explanation Answer: D) 57.8

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

If by selling an article for Rs. 390 a shopkeeper gains 20% , then the cost is

A) Rs. 370 B) Rs. 325
C) Rs. 350 D) Rs. 300
 
Answer & Explanation Answer: B) Rs. 325

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

If 14/3 + (1/2)(x - 7/3) = -2x/3, then the value of x is?

A) -3 B) 3
C) -6 D) 6
 
Answer & Explanation Answer: A) -3

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Filed Under: Simplification
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Q:

If x = 1 + √2 + √3, then the value of x2-2x-4=0

A)  √6 B)  2√3
C)  3√2 D)  2√6 
 
Answer & Explanation Answer: D)  2√6 

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Q:

Which of the following statements is not true?

A) The difference of two prime numbers, both greater than 2, is divisible by 2 B) For two different integers m, n and a prime number p, if p divides the product m × n, then p divides either m or n.
C)  If a number is of the form 6n –1 (n being a natural number), then its is a prime number. D) There is only one set of three prime numbers such that there is a gap of 2 between two adjacent prime numbers.
 
Answer & Explanation Answer: D) There is only one set of three prime numbers such that there is a gap of 2 between two adjacent prime numbers.

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Filed Under: Numbers
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Q:

If 5% of (P + Q) = 20% of (P – Q), then P is what percentage of Q?

A) 133.33 B) 166.66
C) 150 D) 171.33
 
Answer & Explanation Answer: B) 166.66

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If a taxi going at 40 km/hr takes 25 minutes to travel a certain distance, by how much should it increase its speed (in km/hr) to travel the same distance in 20 minutes?

A) 50 B) 5
C) 25 D) 10
 
Answer & Explanation Answer: D) 10

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

Due to inclement weather, an air plane reduced its speed by 300 Km/ hr, and reached the destination of 1200 km late by 2hrs. Then the schedule duration of the flight was.

A) 1 hour B) 1.5 hour
C) 2 hour D) 2.5 hour
 
Answer & Explanation Answer: C) 2 hour

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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