Quantitative Aptitude - Arithmetic Ability Questions

Q:

The line passing through (-2,5) and (6,b) is perpendicular to the line 20x + 5y = 3. Find b?

A) -7 B) 4
C) 7 D) -4
 
Answer & Explanation Answer: C) 7

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

1 1474
Q:

On walking 100 metres towards a building in a horizontal line, the angle of elevation of its top changes from 45 to 60 deg. What will be the height (in metres) of the building?

A) 50(3 + √3) B) 100(√3 + 1)
C) 150 D) 100√3
 
Answer & Explanation Answer: A) 50(3 + √3)

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Height and Distance
Exam Prep: Bank Exams

4 1474
Q:

If a retailer offers a discount of 32% on the marked price of his goods and thus ends up selling at cost price, what was the % markup price?

A) 24 percent B) 47.05 percent
C) 22.34 percent D) 32 percent
 
Answer & Explanation Answer: B) 47.05 percent

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: Bank Exams

1 1474
Q:

The sum of 6xy(2x - 4z) , 3yz(2x - 3z) and 4xz(3y - 2y2) is

A) 12x2y - 6xyz - 9yz2 + 8xy2z B) 12x2y - 6xyz + 9yz2 - 8xy2z
C) 12x2y - 6xyz - 9yz2 - 8xy2z D) 12x2y + 6xyz - 9yz2 - 8xy2z
 
Answer & Explanation Answer: C) 12x2y - 6xyz - 9yz2 - 8xy2z

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

2 1473
Q:

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

A) Torch B) Battery
C) Candle D) Lamp
 
Answer & Explanation Answer: B) Battery

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 1473
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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1473
Q:

Find two numbers whose sum is 29 and the product is 100.

A) 20, 5 B) 20, 9
C) 25, 4 D) 10, 10
 
Answer & Explanation Answer: C) 25, 4

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Numbers
Exam Prep: AIEEE , Bank Exams , CAT

0 1473
Q:

The length of the two parallel sides of a trapezium are 16 m and 20 m respectively. If its height is 10 m, its area in square metres is

A) 360 B) 260
C) 240 D) 180
 
Answer & Explanation Answer: D) 180

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Area
Exam Prep: Bank Exams

0 1473