Quantitative Aptitude - Arithmetic Ability Questions

Q:

Amar is 2 times as good a workman as Badal and therefore is able to finish a job in 15 days less than Badal. In how many days can they together complete the job?

A) 30 days B) 40 days
C) 10 days D) 20 days
 
Answer & Explanation Answer: C) 10 days

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

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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

1 1528
Q:

Length of two trains are 150 m and 200 m respectively and the ratio (shorter: longer) of their speed is 2 : 5. If they cross each other in opposite direction in 15 second then in what time faster train will overtake the slower train.

A) 20 seconds B) 25 seconds
C) 32 seconds D) 35 seconds
 
Answer & Explanation Answer: D) 35 seconds

Explanation:

Let speed of slower train = 2x
⇒ speed of faster train = 5x
ATQ, (150 + 200)/(2x + 5x) = 15
x = 10/3
Time required=350/[50/3–20/3]= 35 seconds

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Q:

Nine years later, age of B will be equal to the present age of A. Sum of A's age 3 years later and B's age 4 years ago is 76. If C is half of the present age of B, then what will be C's age (in years) after 10 years?

A) 32 B) 36
C) 27 D) 31
 
Answer & Explanation Answer: C) 27

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

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Q:

Profit of Rs 135200 has to be divided among three partners Aashay, Bhairav and Chetan in the ratio 4:3:6. How much Rs. does Chetan get?

A) 31200 B) 41600
C) 62400 D) 93600
 
Answer & Explanation Answer: C) 62400

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Filed Under: Partnership
Exam Prep: Bank Exams

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Q:

If x+1x=-2, then the value of x7+1x7

A) 1 B) -1
C) 0 D) -2
 
Answer & Explanation Answer: D) -2

Explanation:
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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

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Q:

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

A) BGF B) FDH
C) BAE D) CDE
 
Answer & Explanation Answer: D) CDE

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

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

A) Sirius B) Proximacentauri
C) Deimos D) Alpha centauri
 
Answer & Explanation Answer: C) Deimos

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

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