Quantitative Aptitude - Arithmetic Ability Questions

Q:

To cover a distance of 225 km in 2.5 hours what should be the average speed of the car in meters/second?

A) 90 m/s B) 45 m/s
C) 50 m/s D) 25 m/s
 
Answer & Explanation Answer: D) 25 m/s

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

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Q:

What is the value of (2/3 +tan45° ) ?

A) (1+√6)/√3 B) (2+√3)/√3
C) 4/√3 D) √3+2
 
Answer & Explanation Answer: B) (2+√3)/√3

Explanation:
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Q:

If the present ages of a father and his son are 48 years and 28.8 years old respectively, then the father can say to his son, "I was ......... of your present age when you were born".

A) half B) two-third
C) one-fifth D) one-third
 
Answer & Explanation Answer: B) two-third

Explanation:

The present age of Father (f) = 48 and present age of son (s) = 28.8
The age of father at his sons birth is 48 - 28.8 = 19.2
Therefore the age of father was 2/3rd of his son's age at the time of his sons birth

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Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

A vendor buys bananas at 12 for Rs 50 and sells at 5 for Rs 40. What will be the gain (in %)?

A) 82 B) 72
C) 92 D) 62
 
Answer & Explanation Answer: C) 92

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Calculate the value of 0.77777 + 0.7777 + 0.777 + 0.77 + 0.7 + 0.07.

A) 3.86274 B) 3.80247
C) 3.85274 D) 3.87247
 
Answer & Explanation Answer: D) 3.87247

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If Sin x = 4/5, then Cosec x + Cot x =

A) 31/12 B) 35/12
C) 2 D) 1/2
 
Answer & Explanation Answer: C) 2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What approximate value should come in place of the question mark (?) in the following equation (Note: You are not expected to calculate the exact value)? √580×∛510+ 49.999 x 3.999=?

A) 384 B) 392
C) 410 D) 372
 
Answer & Explanation Answer: B) 392

Explanation:

Take nearest values
√580×∛510+ 49.999 x 3.999=?
24x 8 + 200 = 392

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Filed Under: Simplification
Exam Prep: Bank Exams
Job Role: Bank PO , Bank Clerk

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Q:

What should come in place of question mark (?) in the following question? (You do not have to calculate the exact value.)

(√80.997 - √25.001) × (√120.98 + √16.02) = ?

A) 20 B) 30
C) 40 D) 50
 
Answer & Explanation Answer:

Explanation:

Ans. 
Approximating the values:
(√81 - √25) × (√121 + √16) = ?
(9 - 5) × (11 + 4) = ?
4 × 15 = ?
? = 60

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

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