Quantitative Aptitude - Arithmetic Ability Questions

Q:

The denominator of a rational number exceeds its numerator by 10. If the numerator is increased by 4 and the denominator is reduced by3, the number obtained is 5/6. The original rational number is

A) 11/12 B) 7/17
C) 9/19 D) 13/23
 
Answer & Explanation Answer: A) 11/12

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 912
Q:

The ratio of total surface area and volume of a sphere is 1 : 7. This sphere is melted to form small spheres of equal size. The radius of each small sphere is 1/6th the radius of the large sphere. What is the sum (in cm2) of curved surface areas of all small spheres?

A) 31276 B) 36194
C) 25182 D) 33264
 
Answer & Explanation Answer: D) 33264

Explanation:
Report Error

View Answer Report Error Discuss

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

0 912
Q:

The total surface area of a hemisphere is 41.58 sq cm, find its radius.

A) 4.2 cm B) 0.7 cm
C) 1.05 cm D) 2.1 cm
 
Answer & Explanation Answer: D) 2.1 cm

Explanation:
Report Error

View Answer Report Error Discuss

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

0 912
Q:

Analyze the figure shown below in which DE || BC and the other dimensions are as follows: AD=3 cm, BD=4 cm, AE=4.4 cm and DE=6 cm. Calculate the length (in cm) of BC.

A) 6 B) 8
C) 12 D) 14
 
Answer & Explanation Answer: D) 14

Explanation:
Report Error

View Answer Report Error Discuss

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

0 912
Q:

The point of intersection of all the angle bisector of a triangle is ______ of the triangle.

A) Incenter B) Circumcenter
C) Centroid D) Orthocenter
 
Answer & Explanation Answer: A) Incenter

Explanation:
Report Error

View Answer Report Error Discuss

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

0 911
Q:

Find the total surface area (in cm²) of a right circular cone of diameter 14 cm and slant height 10 cm.

 

A) 374 B) 570
C) 428 D) 524
 
Answer & Explanation Answer: A) 374

Explanation:
Report Error

View Answer Report Error Discuss

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

0 911
Q:

The volume of a sphere is 179.67 cub.cm. Find its diameter (in cm).

A) 3.5 B) 14
C) 7 D) 10.5
 
Answer & Explanation Answer: C) 7

Explanation:
Report Error

View Answer Report Error Discuss

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

0 911
Q:

A tent is to be built in the form of a cylinder of radius 5 m surmounted by a cone of the same radius. If the height of the cylindrical part is 6 m and slant height of the conical part is 10 m, how much canvas will be required to build the tent? Allow 20% extra canvas for folding and stitching. (Take π = 22/7)

A) 829.72 sq mts B) 414.86 sq mts
C) 1244.58 sq mts D) 207.43 sq mts
 
Answer & Explanation Answer: B) 414.86 sq mts

Explanation:
Report Error

View Answer Report Error Discuss

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

0 910