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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

 If log 2 = 0.30103, Find the number of digits in 256 is

A) 17 B) 19
C) 23 D) 25
 
Answer & Explanation Answer: A) 17

Explanation:

log(256) =56*0.30103 =16.85768.

 

Its characteristics is 16.

 

Hence, the number of digits in 256 is 17.

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Filed Under: Logarithms
Exam Prep: Bank Exams
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121 59414
Q:

One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack, Queen and King only)?

A) 3/13 B) 1/13
C) 3/52 D) 9/52
 
Answer & Explanation Answer: A) 3/13

Explanation:

Clearly, there are 52 cards, out of which there are 12 face cards.

P (getting a face card) = 12/52=3/13.

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Filed Under: Probability

100 59317
Q:

If A is 40% less than B, then B is how much percentage more than A?

 

 

A) 72.33 B) 60
C) 40 D) 66.66
 
Answer & Explanation Answer: D) 66.66

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

1 59303
Q:

Which of the following statement(s) is/are CORRECT?

 

I. (√11 + √2) > (√8 + √5)

II. (√10 + √3) > (√7 + √6

 

A) Only I B) Only II
C) Neither I nor II D) Both I and II
 
Answer & Explanation Answer: C) Neither I nor II

Explanation:
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Filed Under: Simplification
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Q:

If sinθ = 40/41, then cotθ is

 

A) 40/9 B) 9/40
C) 9/41 D) 41/9
 
Answer & Explanation Answer: B) 9/40

Explanation:
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Filed Under: Simplification
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Q:

What is the value of 5123 + 169 + 2163 + 225 ?

 

A) 48 B) 32
C) 42 D) 36
 
Answer & Explanation Answer: C) 42

Explanation:
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Filed Under: Simplification
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0 59249
Q:

Find the odd man out?

16, 254, 1296, 4096, 10000

A) 16 B) 254
C) 1296 D) 10000
 
Answer & Explanation Answer: B) 254

Explanation:

The given series 16, 254, 1296, 4096, 10000 follows a pattern that

 

24, 44, 64, 84, 104,...

Hence, the odd man in the series is 4 x 4 x 4 x 4 = 256 not 254.

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Filed Under: Odd Man Out
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3 59218
Q:

Find the wrong number in the given number series?

5, 8, 40, 90, 664

A) 8 B) 40
C) 90 D) 664
 
Answer & Explanation Answer: B) 40

Explanation:

The given number series is 5, 8, 40, 90, 664

5

5 - 1 x 2 = 8

8 - 3 x 4 = 20 (NOT 40)

20 - 5 x 6 = 90

90 - 7 x 8 = 664

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Filed Under: Odd Man Out
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