Quantitative Aptitude - Arithmetic Ability Questions

Q:

Solution A contains 10% acid and solution B contains 30% acid. In what ratio should solution A be mixed with Solution B to obtain a mixture with 25% acid?

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

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

Excluding stoppages, the speed of a bus is 72 kmph and including stoppages, it is 60 kmph. For how many minutes does the bus stop per hour?

A) 12 B) 8
C) 15 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:

The average temperature of Monday ,Tuesday , Wednesday and Thursday is 60°, The average for Tuesday, Wednesday, Thursday and Friday is 63°; If the ratio of temperature for Monday and Friday is 21 : 25, then what is the temperature of Friday ?

A) 70° B) 73°
C) 75° D) 78°
 
Answer & Explanation Answer: C) 75°

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

Findout the odd word/letters/number/number pair from the given alternatives.

A) 636 B) 749
C) 864 D) 989
 
Answer & Explanation Answer: D) 989

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Filed Under: Odd Man Out
Exam Prep: Bank Exams , CAT

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Q:

Two numbers are 90% and 75% lesser than a third number. By what % should the first number be increased so that it becomes equal to the second number?

A) 250 B) 200
C) 150 D) 100
 
Answer & Explanation Answer: C) 150

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

What is the value of (4a2 - 9b2 )/(2a + 3b) is

A) 2a - 3b B) 2a + 3b
C) 2a D) 3b
 
Answer & Explanation Answer: A) 2a - 3b

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

When a number is increased by 216, it becomes 140% of itself. What is the number?

A) 540 B) 756
C) 450 D) 675
 
Answer & Explanation Answer: A) 540

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If 5 sec θ – 3 tan θ = 5, then what is the value of 5 tan θ – 3 sec θ?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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