Quantitative Aptitude - Arithmetic Ability Questions

Q:

The ratio of present ages of P and Q is 8 : 5. After 4 years their ages will be in the ratio 4 : 3 respectively. What will be the ratio of P’s age after 7 years from now and Q’s age now?

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

Explanation:

Let the present age of P be 8x and Q be 5x After 4 years, P's age = 8x + 4 and Q's age = 5x + 4 8x+4/5x+4 = 4/3 24x+12 = 20x+16 => 4x = 4=> x = 1 Present age of P = 8 years Present age of Q = 5 years Required ratio = 15 : 5 = 3 : 1

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Filed Under: Problems on Ages

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Q:

A man spends in 8 months as much as he earns in 6 months. He saves Rs. 6000 in a year. His average monthly income is

A) Rs. 2400 B) Rs. 2000
C) Rs. 2150 D) Rs. 1800
 
Answer & Explanation Answer: B) Rs. 2000

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

1 2587
Q:

A vendor buys chikoos at 15 for Rs 8 and then sells at 10 for Rs 6. What will be the result?

A) 12.5 percent loss B) 11.11 percent gain
C) 12.5 percent gain D) 11.1 percent loss
 
Answer & Explanation Answer: C) 12.5 percent gain

Explanation:
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Filed Under: Profit and Loss
Exam Prep: AIEEE , Bank Exams , CAT , GATE

4 2583
Q:

If 6 years are subtracted from the present age of Ayush and takes 25% of that then we get the present age of his only son. 4 years ago, his daughter’s age is 7 years more than his son. Sum of daughter’s present age and his wife’s present age is 10 years more than Ayush’s present age then find the present age of Ayush if average of present age of entire family is 30.25 yr? 

A)  45 year  B)  50 year 
C)  60 year  D)  40 year 
 
Answer & Explanation Answer: B)  50 year 

Explanation:

Let the present age of Ayush be x yr.

Present age of his son =

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

5 2581
Q:

A certain sum of money was divided between A, B and C in the ratio 5:6:9. If A received Rs. 450 the sum divided was

A) 2000 B) 1800
C) 2250 D) 1000
 
Answer & Explanation Answer: B) 1800

Explanation:
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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

1 2581
Q:

In the given figure, ABCD is a square. EFGH is a square formed by joining mid points of sides of ABCD. LMNO is a square formed by joining mid points of sides of EFGH. A circle is inscribed inside EFGH. If area of circle is 38.5 sq.cm, the what is the area (in sq.cm) of square ABCD?

A) 98 B) 196
C) 122.5 D) 171.5
 
Answer & Explanation Answer: B) 196

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

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Q:

A right triangular prism has equilateral triangle as its base. Side of the triangle is 15 cm. Height of the prism is 20√3 cm. What is the volume (in cm3) of the prism?

A) 1125 B) 6750
C) 4500 D) 3375
 
Answer & Explanation Answer: D) 3375

Explanation:
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

1 2578
Q:

Find the odd one out ?

A) A B) B
C) C D) D
 
Answer & Explanation Answer: A) A

Explanation:
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Filed Under: Odd Man Out

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