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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Find the odd man out of the following number series?

1/2, 1, 3/2, 6, 5/2, 3

A) 1 B) 6
C) 5/2 D) 3/2
 
Answer & Explanation Answer: B) 6

Explanation:

The given series is 1/2, 1, 3/2, 6, 5/2, 3

1/2

1/2 + 1/2 = 1

1 + 1/2 = 3/2

3/2 + 1/2 = 2 (Not 6)

2 + 1/2 = 5/2

5/2 + 1/2 = 3

 

Hence, the odd man in the given number series is 6.

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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1 41330
Q:

A and B take part in 100 m race. A runs at 5 kmph. A gives B a start of 8 m and still beats him by 8 seconds. The speed of B is:

A) 5.15 kmph B) 4.14 kmph
C) 4.25 kmph D) 4.4 kmph
 
Answer & Explanation Answer: B) 4.14 kmph

Explanation:

A's speed = (5*5/15)m/sec  = (25/18)m/sec

 

Time taken by A to cover 100 m = (100*18/15)sec = 72sec

 

 Time taken by B to cover 92 m = (72 + 8) = 80 sec.

 

 B's speed =(92/80*18/5)kmph =4.14kmph

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Filed Under: Races and Games

49 41315
Q:

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

22% of ? + 166.64 = 340 

A) 788 B) 786
C) 784 D) 792
 
Answer & Explanation Answer: A) 788

Explanation:

(kx22)/100 = 340 - 166.64 = 173.36
k = (173.36 x 100)/22
k = 788

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Filed Under: Numbers
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk

15 41312
Q:

On 8th Feb, 2005 it was Tuesday. What was the day of the week on 8th Feb, 2004?

A) Tuesday B) Saturday
C) Friday D) Sunday
 
Answer & Explanation Answer: D) Sunday

Explanation:

The year 2004 is a leap year. It has 2 odd days.

The day on 8th Feb, 2004 is 2 days before the day on 8th Feb, 2005.

Hence, this day is Sunday

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Filed Under: Calendar

139 41288
Q:

In the following question, select the odd letter/letters from the given alternatives.

 

A) LFZ B) PJC
C) SMG   D) XRL
 
Answer & Explanation Answer: B) PJC

Explanation:
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Filed Under: Odd Man Out
Exam Prep: Bank Exams

1 41246
Q:

 The average age of 8 men is increased by years when two of them whose ages are 21 years and 23 years are replaced by two new men. The average age of the two new men is :

A) 20 B) 30
C) 40 D) 50
 
Answer & Explanation Answer: B) 30

Explanation:

Total age increased = (8 * 2) years = 16 years.

Sum of ages of two new men = (21 + 23 + 16) years = 60 years

Average age of two new men = (60/2) years = 30 years.

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Filed Under: Average

86 41005
Q:

In the following question, select the odd word pair from the given alternatives.

 

A) Oxygen – Gas B) Metal – Platinum
C) Liquid – Water D) Solid – Iron
 
Answer & Explanation Answer: A) Oxygen – Gas

Explanation:
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Filed Under: Odd Man Out
Exam Prep: Bank Exams

1 40908
Q:

Of the four numbers, whose average is 60, the first is one-fourth of the sum of the last three. The first number is :

A) 17 B) 29
C) 36 D) 48
 
Answer & Explanation Answer: D) 48

Explanation:

Let the first number be x,

Then, sum of the four numbers = x + 4x = 5x.

so,  5x/4 = 60 or x = (60 * 4) / 5 = 48.

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Filed Under: Average

119 40857