Quantitative Aptitude - Arithmetic Ability Questions

Q:

Find out the odd word/letters/number/number pair from the given alternatives.

A) IDD B) AGG
C) UTT D) REE
 
Answer & Explanation Answer: D) REE

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 1907
Q:

Ganesh invested an amount of Rs x in a fixed deposit scheme offering 5% per annum for 1st year and 15% per annum for 2nd year and received an amount of Rs 9660 after two years. What is the value of x (in Rs)?

A) 9000 B) 8000
C) 8500 D) 8200
 
Answer & Explanation Answer: B) 8000

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Filed Under: Simple Interest
Exam Prep: Bank Exams

0 1907
Q:

Two water-squash mixtures, the first having a water-to-squash ratio of 4 : 1 and the other having a ratio of 3 : 1, are blended in the ratio 1 : 2. What is the water : squash ratio in the blend?

A) 19:11 B) 23:7
C) 17:13 D) 4:3
 
Answer & Explanation Answer: B) 23:7

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

6 1906
Q:

In a class of 66 students there are 33 girls. The average weight of these girls is 61 Kg and average weight of the full class is 66 kgs. What is the average weight of the boys of the class?

A) 72 B) 73
C) 69 D) 71
 
Answer & Explanation Answer: D) 71

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Filed Under: Average
Exam Prep: Bank Exams

1 1906
Q:

P(4,2) and R(-2,0) are vertices of a rhombus PQRS. What is the equation of diagonal QS.

A) x - 3y = -2 B) 3x + y = 4
C) 3x + y = -4 D) x - 3y = 2
 
Answer & Explanation Answer: B) 3x + y = 4

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Filed Under: Simplification
Exam Prep: Bank Exams

1 1906
Q:

A sum of Rs. 2000 amounts to Rs. 4000 in two years at compound interest. In how many years does the same amount becomes Rs. 8000.

A) 2 B) 4
C) 6 D) 8
 
Answer & Explanation Answer: B) 4

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Filed Under: Compound Interest
Exam Prep: Bank Exams

3 1906
Q:

If the radius of a circle is increased by 31% its area increases by ______.

A) 62 percent B) 31 percent
C) 35.805 percent D) 71.61 percent
 
Answer & Explanation Answer: D) 71.61 percent

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Filed Under: Percentage
Exam Prep: Bank Exams , CAT

1 1906
Q:

If a--b = 4 and ab = 45, find the value of a3 - b3

A) 604 B) 370
C) 253 D) 199
 
Answer & Explanation Answer: A) 604

Explanation:

(a  b)2 = a2 + b2 -2ab  16 = a2 + b2  90  a2 + b2 = 106 a3  b3 = (a  b) (a2 + b2 + ab)  a3  b3 = 4 X (106 + 45)  a3  b3 = 4 X 151  a3  b3 = 604

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1906