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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Which of the following is correct?

A) (4x - 5y)2 = 16x2 - 20xy + 25y2 B) (4x - 5y)2 = 16x2 + 40xy - 25y2
C) (4x - 5y)2 = 16x2  - 40xy + 25y2 D) (4x - 5y)2  = 16x2 - 20xy - 25y2
 
Answer & Explanation Answer: C) (4x - 5y)2 = 16x2  - 40xy + 25y2

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Filed Under: Simplification
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Q:

Choose the odd word/letters/number/number pair from the given alternatives.

A) 165 B) 792
C) 852 D) 671
 
Answer & Explanation Answer: C) 852

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Find the odd word/letters/numbers pair from the given alternatives.

A) Tomato B) Potato
C) Carrot D) Radish
 
Answer & Explanation Answer: A) Tomato

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Q:

If x + y = 13 and x2 + y2 = 89, then find xy is

A) 80 B) 169
C) 258 D) 40
 
Answer & Explanation Answer: D) 40

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Q:

There are total 200 students in a school, of which 1/5th are boys. Find the number of girls in the school.

A) 160 B) 16
C) 140 D) 40
 
Answer & Explanation Answer: A) 160

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If P = 99, then the value of P(P2+ 3P + 3) is

A) 9999 B) 999999
C) 99999 D) 9999999
 
Answer & Explanation Answer: B) 999999

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Q:

In the given figure, PQRS is a square and SRT is an equilateral triangle. What is the value (in degrees) of angle SOR?

A) 45 B) 55
C) 60 D) 75
 
Answer & Explanation Answer: D) 75

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Filed Under: Volume and Surface Area
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Q:

19 personswentto a hotel for a combineddinner party. 13 of them spent Rs 79 each on their dinner and the rest spent Rs 4 more than the average expenditure of all the 19. What was the total money spent by them?

A) 1628.4 B) 1534
C) 1492 D) None of these
 
Answer & Explanation Answer: D) None of these

Explanation:

Let the average expenditure of 19 people be x

⇒19x = 13 X 79 + 6 X (x+4)⇒19x = 13 X 79 + 6x +24

⇒x = 80.84

So, total money spent by them = 1536.07

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Filed Under: Average
Exam Prep: Bank Exams

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