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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

If a+b+c = 6 and ab+bc+ca = 1, then the value of bc(b+c) + ca(c+a) +ab(a+b) +3abc is

A) 33 B) 66
C) 55 D) 23
 
Answer & Explanation Answer: B) 66

Explanation:
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Filed Under: Quantitative Aptitude - Arithmetic Ability

10 3345
Q:

The ages of Sunitha and Pranitha are 40 years and 60 years, respectively. How many years before the ratio of their ages was 3 : 5?

A) 10 years B) 15 years
C) 18 years D) 24 years
 
Answer & Explanation Answer: A) 10 years

Explanation:

Given the ages of Sunitha and Pranitha are 40 years and 60 years.

Let before 'm' years, their ages be in the ratio of 3 : 5

ATQ,

40-m60-m = 35

=> 200 - 5m = 180 - 3m

=>2m = 20

=> m = 10 years.

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Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

3 3341
Q:

Advik's birthday is on Monday 19th June. On what day of the week will be Nishith's Birthday in the same year if Nishith was born on 17th November?

A) Saturday B) Wednesday
C) Friday D) Sunday
 
Answer & Explanation Answer: C) Friday

Explanation:
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Filed Under: Calendar
Exam Prep: Bank Exams

8 3330
Q:

What is the value of 729+72.9+7.29

A) 30.5 B) 32.33
C) 35.6 D) 38.23
 
Answer & Explanation Answer: D) 38.23

Explanation:
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Filed Under: Square Roots and Cube Roots

8 3329
Q:

A’s salary is 50% more than B’s. How much percent is B’s salary less than A’s?

A) 24.5% B) 29.5%
C) 31.3% D) 33.3%
 
Answer & Explanation Answer: D) 33.3%

Explanation:

Let the salary of B be 100

Salary of A = 150%

B’s salary less than A = (150-100)/150 X 100 = 100/3 = 33.33%

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Filed Under: Percentage
Exam Prep: Bank Exams

2 3318
Q:

How many numbers with distinct digits are possible product of whose digits is 18?

A) 12 B) 8
C) 6 D) 4
 
Answer & Explanation Answer: B) 8

Explanation:

Two digit numbers: The two digits can be 2 and 9: Two possibilities 29 and 92.

Three-digit numbers: The three digits can be 1, 2 and 9 => 3! Or 6 possibilities.

We cannot have three digits as (3, 3, 2) as the digits have to be distinct.

We cannot have numbers with 4 digits or more without repeating the digits.

So, there are totally 8 numbers.

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Filed Under: Numbers
Exam Prep: CAT
Job Role: Bank Clerk

7 3317
Q:

By selling 90 pens for Rs 80 a man loses 20%. What should be the selling price (in Rs) of 90 pens for 20% profit?

A) 90 B) 100
C) 110 D) 120
 
Answer & Explanation Answer: D) 120

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

12 3311
Q:

If 60% discount is offered on the marked price and selling price becomes equal to cost price then what was the % mark up?

A) 100 B) 250
C) 150 D) 40
 
Answer & Explanation Answer: C) 150

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

12 3302