Quantitative Aptitude - Arithmetic Ability Questions

Q:

If A, B and C can do a job working alone in 12, 18 and 36 days respectively. They all work together for 2 day, then B quits. How many days will A and C take to finish rest of the job?

A) 9 B) 6
C) 3 D) 4
 
Answer & Explanation Answer: B) 6

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Filed Under: Time and Work
Exam Prep: Bank Exams

4 2021
Q:

Starting with 8000 workers, the company increases the number of workers by 5%, 10% and 20% at the end of first, second and third year respectively. The number of workers in the fourth yearwas

A) 10188 B) 11088
C) 11008 D) 11808
 
Answer & Explanation Answer: B) 11088

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Filed Under: Average
Exam Prep: Bank Exams

0 2021
Q:

The average weight of Somdev, Gurdeep and Ritu is 85 kg. If the average weight of Somdev and Gurdeep be 79 kg and that of Gurdeep and Ritu be 73 kg, then the weight of Gurdeep is

A) 78 B) 49
C) 72 D) 90
 
Answer & Explanation Answer: B) 49

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Filed Under: Average
Exam Prep: AIEEE , Bank Exams , CAT

2 2020
Q:

If 8/5 of 4/3 of a number is 192, then 5/6 of that number is

A) 75 B) 192
C) 180 D) 65
 
Answer & Explanation Answer: A) 75

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 2020
Q:

Calculate the area (in cm2 ) of a circle of radius 10.5 cm.

A) 693 B) 157.5
C) 315 D) 346.5
 
Answer & Explanation Answer: D) 346.5

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Filed Under: Area
Exam Prep: Bank Exams

3 2020
Q:

Determine the value of z in the equation: z = 20+20+20+20+...

A) 4 B) 5
C) 20 D) 25
 
Answer & Explanation Answer: B) 5

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2020
Q:

If cotA = x, then the value of x is

A) √(sec2A + 1) B) √(cosec2A + 1)
C) √(sec2A - 1) D) √(cosec2A - 1)
 
Answer & Explanation Answer: D) √(cosec2A - 1)

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2020
Q:

What is the value of Cot 60°- Sec 45°?

A) (√2 - √3)/√6 B) (√3 - 3√2)/3
C) (1 - 2√2)/2 D) (1 - √3)/2
 
Answer & Explanation Answer: B) (√3 - 3√2)/3

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Filed Under: Simplification
Exam Prep: Bank Exams

0 2019