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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

The value of  10+25+108+154+225is:

A) 4 B) 6
C) 8 D) 10
 
Answer & Explanation Answer: A) 4

Explanation:

10+25+108+154+22510+25+108+154+1510+25+108+1310+25+1110+616=4

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Filed Under: Square Roots and Cube Roots
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

29 8323
Q:

In how many different ways can 6 different balls be distributed to 4 different boxes, when each box can hold any number of ball?

A) 2048 B) 1296
C) 4096 D) 576
 
Answer & Explanation Answer: C) 4096

Explanation:

Every ball can be distributed in 4 ways. 

Hence the required number of ways = 4 x 4 x 4 x 4 x 4 x 4 = 4096

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Filed Under: Permutations and Combinations

0 8321
Q:

If 3A = 2B = C, then A : B : C = ?

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

Explanation:
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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

19 8314
Q:

Represent the 0.000256 in vulgar fraction.

 

A) 4/15625 B) 2/15625
C) 16/15625 D) 8/15625
 
Answer & Explanation Answer: A) 4/15625

Explanation:
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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

4 8303
Q:

Which calendar was used again in the year 1856?

A) 1828 B) 1850
C) 1830 D) 1852
 
Answer & Explanation Answer: A) 1828

Explanation:

Given year 1856, when divided by 4 leaves a remainder of 0.

NOTE: When remainder is 0, 28 is subtracted to the given year to get the result.

So, 1856 - 28 = 1828

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Filed Under: Calendar

9 8300
Q:

The probability that a card drawn at random from the pack of playing cards may be either a queen or an ace is:

A) 9/13 B) 11/13
C) 2/13 D) None of these
 
Answer & Explanation Answer: C) 2/13

Explanation:

Number of queen cards = 4

Number of ace cards = 4

 P(either a queen or ace) = 4/52 + 4/52= 8/52 = 2/13

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Filed Under: Probability

3 8297
Q:

In what time will Rs.1000 become Rs.1331 at 10% per annum compounded annually?

A) 2years B) 3years
C) 4years D) 5years
 
Answer & Explanation Answer: B) 3years

Explanation:

Principal = Rs.1000;

Amount = Rs.1331;

Rate = Rs.10%p.a.

 

Let the time be n years.Then

[1000(1+10/100)Λn;]

= 1331.

= (1331/1000)

= (11/10)³

 

Therefore n = 3 years.

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

3 8296
Q:

If 25a + 25b = 115, then what is the average of a and b?

A) 4.6 B) 3.4
C) 2.5 D) None of these
 
Answer & Explanation Answer: D) None of these

Explanation:
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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams
Job Role: Bank PO

55 8295