Quantitative Aptitude - Arithmetic Ability Questions

Q:

The average marks of 56 students is shown as 60. It includes a wrong entry of 92 marks instead of 29 marks. The correct average is _____ .

A) 58.875 marks B) 61.125 marks
C) 63.375 marks D) 56.625 marks
 
Answer & Explanation Answer: A) 58.875 marks

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Filed Under: Average
Exam Prep: Bank Exams

3 1890
Q:

An equilateral triangle of side 6 cm is inscribed in a circle. Then radius of the circle is

A) 2√3 cm B) 3√2 cm
C) 4√3 cm D) √3 cm
 
Answer & Explanation Answer: A) 2√3 cm

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Filed Under: Area
Exam Prep: Bank Exams

1 1890
Q:

P(3,1) and R(-7,5) are vertices of a rhombus PQRS. What is the equation of diagonal QS?

A) 5x - 2y = 16 B) 5x - 2y = -16
C) 5x + 2y = -16 D) 5x + 2y = 16
 
Answer & Explanation Answer: B) 5x - 2y = -16

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1890
Q:

The diameter of a circle is equal to the side of the square. What is the area of the square if the area of the circle is 64π sq cm?

A) 128 sq cm B) 196 sq cm
C) 108 sq cm D) 256 sq cm
 
Answer & Explanation Answer: D) 256 sq cm

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Filed Under: Area
Exam Prep: Bank Exams

1 1889
Q:

ABCD is a rectangle. P is a point on the side AB as shown in the given figure. If Dp = 13, CP = 10

A) √105 B) √133
C) 12 D) 10
 
Answer & Explanation Answer: A) √105

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

1 1889
Q:

By increasing the price of entry ticket to a fair in the ratio 5:7, the number of visitors to the fair has decreased in the ratio 11:9. In what ratio has the total collection increased or decreased?

A) increased in the ratio 55:63 B) decreased in the ratio 63:55
C) increased in the ratio 45:77 D) decreased in the ratio 77:45
 
Answer & Explanation Answer: A) increased in the ratio 55:63

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0 1889
Q:

A train is moving at the speed of 72 km/hr. How many seconds will it take to cover a distance of 1400 m ?

A) 70 B) 80
C) 72 D) 84
 
Answer & Explanation Answer: A) 70

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

2 1888
Q:

Three consecutive angles of a cycle quadrilateral are in the ratio of 1 : 4 : 5 . The measure of fourth angle is

A) 120° B) 60°
C) 30° D) 80°
 
Answer & Explanation Answer: B) 60°

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

1 1888