6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

A student multiplied a number by 5/6 instead of 6/5. What is the percentage error in the calculation?

A) 44 percent	B) 30.56 percent
C) 15.28 percent	D) 22 percent

Answer & Explanation Answer: B) 30.56 percent

Explanation:

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams

2 3011

Q:

In a bag containing red, green and pink tokens, the ratio of red to green tokens was 5 : 12 while the ratio of pink to red tokens was 7 : 15. What was the ratio of green to pink tokens?

A) 25 : 28	B) 36 : 7
C) 8 :25	D) 12 : 7

Answer & Explanation Answer: B) 36 : 7

Explanation:

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Filed Under: Permutations and Combinations
Exam Prep: Bank Exams

11 3008

Q:

If (x/a) + (y/b) = 3 and (x/b) – (y/a) = 9, then what is the value of x/y?

A) ( b + 3 a)/( a – 3 b)	B) ( a + 3 b)/( b – 3 a)
C) (1 + 3 a)/( a + 3 b)	D) ( a + 3 b2)/( b – 3 a2)

Answer & Explanation Answer: A) ( b + 3 a)/( a – 3 b)

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Filed Under: Simplification
Exam Prep: Bank Exams

5 3007

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

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Filed Under: Area
Exam Prep: Bank Exams

0 3004

Q:

In how many different ways can the letters of the word 'HAPPYHOLI' be arranged?

A) 89,972	B) 90,720
C) 72,000	D) 81,000

Answer & Explanation Answer: B) 90,720

Explanation:

The given word HAPPYHOLI has 9 letters

These 9 letters can e arranged in 9! ways.

But here in the given word letters H & P are repeated twice each

Therefore, Number of ways these 9 letters can be arranged is

$\frac{9!}{2! x 2!} = \frac{9 x 8 x 7 x 6 x 5 x 4 x 3}{2} = 90, 720 ways .$

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Filed Under: Permutations and Combinations
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

7 3004

Q:

C and D started a business by investing Rs 4000 and Rs 5000 respectively. After 3 months, C withdraws Rs 1000 while D invest Rs 1000 more after 6 months of the starting of business. At the end of the year C’s share is Rs 3900. What will be the total profit (in Rs) at the end of year?

A) 7800	B) 10500
C) 8400	D) 12200

Answer & Explanation Answer: B) 10500

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Filed Under: Partnership
Exam Prep: Bank Exams , CAT

2 3004

Q:

In the year 2016, there were 52 weeks and P days. Find the value of P

A) 2	B) 4
C) 3	D) 5

Answer & Explanation Answer: A) 2

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Filed Under: Calendar
Exam Prep: Bank Exams

16 3001

Q:

A, B and C are three students. A got 36% less marks than B and 16% more marks than C. If B got 145 marks, then what are the marks got by C?

A) 120	B) 110
C) 80	D) 75

Quantitative Aptitude - Arithmetic Ability Questions

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