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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

If x + y + z = 6 and xy + zx + zy = 10, then find the value of x3 + y3 + z3 - 3xyz

 

A) 16 B) 26
C) 36 D) 46
 
Answer & Explanation Answer: C) 36

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

1 41117
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 41001
Q:

In a 100 m race, A can give B 10 m and C 28 m. In the same race B can give C

A) 18 m B) 20 m
C) 27 m D) 9m
 
Answer & Explanation Answer: B) 20 m

Explanation:

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Filed Under: Races and Games

35 40942
Q:

Find the appropriate value of '?' in (14.998)3 = ?

 

A) 3573 B) 4096
C) 3378 D) 3374
 
Answer & Explanation Answer: D) 3374

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 40934
Q:

Find the missing number in the given number series?

2676, 445, ?, 21,6, 2, 1

A) 88 B) 92
C) 96 D) 102
 
Answer & Explanation Answer: A) 88

Explanation:

The given number series 2676, 445, ?, 21,6, 2, 1 follows a pattern that,

From right side,

1

1 x 1 + 1 = 2

2 x 2 + 2 = 6

6 x 3 + 3 = 21

21 x 4 + 4 = 88

88 x 5 + 5 = 445

445 x 6 + 6 = 2676

 

Hence the missing number in the given number series is 88.

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

5 40895
Q:

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

12.5 × 3.2 × 8.8 = ?

A) 358 B) 355
C) 354 D) 356
 
Answer & Explanation Answer:

Explanation:

12.5 × 3.2 × 8.8 = 352

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Filed Under: Simplification

0 40875
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 40779
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 40764