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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

A student multiplied a number by 4/5 instead of 5/4. What is the percentage error in the calculation?

A) 56.25 percent B) 18 percent
C) 28.13 percent D) 36 percent
 
Answer & Explanation Answer: D) 36 percent

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

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Q:

A man's annual income has increased by Rs 5 lakhs but the tax on income that he has to pay has reduced from 12% to 10%. He now pays Rs 10,000 more income tax. What is his increased income (in Rs lakhs)?

A) 20 B) 25
C) 15 D) 10
 
Answer & Explanation Answer: B) 25

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

In the given figure, four identical semicircles are drawn in a quadrant. XA = 7 cm. What is the area (in sq.cm) of shaded region ?

 

A) 70 B) 140
C) 77 D) 84
 
Answer & Explanation Answer: D) 84

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

Kanchan bought a clock with 25% discount on marked price. She sold it with 75% gain on the price she bought. What was her profit percentage on the marked price?

A) 31.25 B) 50
C) 56.25 D) 60
 
Answer & Explanation Answer: A) 31.25

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Filed Under: Clocks
Exam Prep: Bank Exams

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Q:

If the selling price is tripled and cost price doubled the profit would become 65%. What is the present profit (in %)?

A) 20 B) 15
C) 25 D) 10
 
Answer & Explanation Answer: D) 10

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

If the truediscount on a sum due 2yrs hence at 14% per annum be Rs168. The sum due is?

A) 700 B) 760
C) 768 D) 786
 
Answer & Explanation Answer: C) 768

Explanation:

P.W = (100 x T.D)/(R x T)  = (100 x 168)/(14 x 2)= 600 

Sum = (P.W + T.D) = Rs. (600+ 168) = Rs.768.

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Filed Under: True Discount

0 3031
Q:

What are the Multiples of 4?

Answer

The Multiples of 4 are 4, 8, 12, 16, 20, 24, 28, 32, 36, 40 upto 40. Mutiples of 4 means which can be divided by 4 leaving remainder '0'.


Common Multiples of 4 & 6 are 12, 24, 36, 48, 60 upto 60.

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Subject: Numbers Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

8 3030
Q:

If x + [1/(4x)] = 5/2, then what is the value of (64x6+ 1)/8x3?

A) 110 B) 115
C) 125 D) 140
 
Answer & Explanation Answer: A) 110

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Filed Under: Simplification
Exam Prep: Bank Exams

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