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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Find the value of

199992 x 200008 = ?

A) 39999799936 B) 39999999836
C) 39999999936 D) 39999999926
 
Answer & Explanation Answer: C) 39999999936

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 39542
Q:

3 men, 4 women and 6 children can complete a work in 7 days. A woman does double the work a man does and a child does half the work a man does. How many women alone can complete this work in 7 days  ?

A) 6 B) 9
C) 5 D) 7
 
Answer & Explanation Answer: D) 7

Explanation:

Let 1 woman's 1 day work = x.

Then, 1 man's 1 day work = x/2 and 1 child's 1 day work  x/4.

So, (3x/2 + 4x + + 6x/4) = 1/7

28x/4 = 1/7 => x = 1/49

1 woman alone can complete the work in 49 days.

So, to complete the work in 7 days, number of women required = 49/7 = 7.

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Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

92 39497
Q:

Which of the following value of 'x' satisfies the equation 

4x-1.92x-6 = 5184

 

A) 2 B) 3
C) 4 D) 6
 
Answer & Explanation Answer: C) 4

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Exam Prep: Bank Exams

0 39496
Q:

A mixture of 150 liters of wine and water contains 20% water. How much more water should be added so that water becomes 25% of the new mixture?

A) 10 liters B) 20 liters
C) 30 liters D) 40 liters
 
Answer & Explanation Answer: A) 10 liters

Explanation:

Number of liters of water in 125 liters of the mixture = 20% of 150 = 1/5 of 150 = 30 liters

 

Let us Assume that another 'P' liters of water are added to the mixture to make water 25% of the new mixture. So, the total amount of water becomes (30 + P) and the total volume of the mixture becomes (150 + P)

 

Thus, (30 + P) = 25% of (150 + P)

 

Solving, we get P = 10 liters

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Filed Under: Alligation or Mixture

149 39478
Q:

The length and breadth of a rectangle are 15 cm and 8 cm respectively. Calculate its perimeter (in cm).

 

A)  46 B) 92
C)  35 D)  70
 
Answer & Explanation Answer: A)  46

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Filed Under: Area
Exam Prep: Bank Exams

0 39458
Q:

What should come in place of question mark (?) in the following question?

41% of 600 - 250 = ? - 77% of 900

A) 889 B) 589
C) 789 D) 689
 
Answer & Explanation Answer: D) 689

Explanation:

41% of 600 - 250 = ? - 77% of 900

⇒ 246 - 250 = ? - 693

⇒ 246 -250 + 693 = ?

⇒ ? = 689

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

2 39447
Q:

Select the option that can replace the '?' symbol in the following equation.

 

122 + 345 - 1 x 1011 ÷ 337 = ?

 

A) 446 B) 644
C) 460 D) 464
 
Answer & Explanation Answer: D) 464

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Exam Prep: Bank Exams , CAT

0 39410
Q:

What is the value of (1/√3 - sin45)?

 

A) 1/2√3   B) (√2-√3)/√6  
C) 1-√2   D) (4-√3)/2
 
Answer & Explanation Answer: B) (√2-√3)/√6  

Explanation:
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Exam Prep: Bank Exams

0 39136