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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

If a person walks at 15 km/hr instead of 9 km/hr, he would have walked 3 km more in the same time. What is the actual distance (in kms) travelled by him? 

A) 5.5 B) 6.5
C) 4.5 D) 7.5
 
Answer & Explanation Answer: C) 4.5

Explanation:
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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

3/5 as a decimal fraction?

A) 0.25 B) 0.45
C) 0.60 D) 0.75
 
Answer & Explanation Answer: C) 0.60

Explanation:

Given fraction is 3/5

Now, multiply with 2 for numerator and denominator

we get,

3/5 x 2/2 = 6/10

 

When we divide, 6 with 10, we get 0.6 as quotient.

 

Hence, 3/5 as a decimal fraction is 0.6.

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Filed Under: Decimal Fractions
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

The ratio of ages of father and son is 7:2. Five years ago the product of their ages was 150. What is the age of the father?

A) 30 years B) 45 years
C) 35 years D) 40 years
 
Answer & Explanation Answer: C) 35 years

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

Amar can complete a work in 30 days and Raman can complete the same work in 15 days. If both of them work together, then in 4 days what percent of the total work will be completed?

A) 15 B) 37
C) 40 D) 45
 
Answer & Explanation Answer: C) 40

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Suppose n is a positive integer such that (n2+ 48) is a perfect square. What is the number of such n?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: C) 3

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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Q:

If price of oranges is increased by 30%, then a person can buy 12 oranges less for Rs 208. What is the original price (in Rs) of an orange?

A) 2 B) 4
C) 8 D) 3
 
Answer & Explanation Answer: B) 4

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If I walk at 7/6 of my usual speed, then I reach my office 15 minutes early. What is the usual time taken (in minutes) by me to reach the office?

 

A) 60 B) 75
C) 90 D) 105
 
Answer & Explanation Answer: D) 105

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

A, B and C together can complete a work in 25 days. If the ratio of efficiency of A, B and C is 15 : 10 : 6 respectively, then in how many days C alone can complete the same work?

A) 727/6 B) 725/6
C) 775/6 D) 745/6
 
Answer & Explanation Answer: C) 775/6

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Filed Under: Time and Work
Exam Prep: Bank Exams , CAT

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