If the height of a cylinder is increased by 15 percent and the radius of its bas

Sail E0 Webinar

Question

If the height of a cylinder is increased by 15 percent and the radius of its base is decreased by 10 percent then by what percent will its curved surface area change ?

Options:

A . 3.5% decrease

B . 3.5% increase

C . 5% decrease

D . 5% increase

Answer: Option B

Submit Your Solution Below and Earn Points !

Next Question

Submit Solution

More Questions on This Topic :

Question 1. A copper rod of 1 cm diameter and 8 cm length is drawn into a wire of uniform diameter and 18 m length. The radius (in c....length. The radius (in cm) of the wire, is :

Question 2. A conical tent is to accommodate 11 persons. Each person must have 4 sq. metres of the space on the ground and 20 cubic ....air to breath. The height of the cone is :

Question 3. A solid metallic cylinder of base radius 3 cm and height 5 cm is melted to form cones, each of height 1 cm and base radi....base radius 1 mm. The number of cones is :

Question 4. If the radii of two spheres are in the ratio 1 : 4, then their surface areas are in the ratio :....

Question 5. The ratio of the volume of a cube to that of a sphere which will fit inside the cube is :....

Question 6. A cylindrical tube open at both ends is made of metal. The internal diameter of the tube is 11.2 cm and its length is 21....0.4 cm thick. The volume of the metal is :

Question 7. A cone of height 15 cm and base diameter 30 cm is carved out of a wooden sphere of radius 15 cm. The percentage of wood ....radius 15 cm. The percentage of wood wasted is :

Question 8. A solid body is made up of a cylinder of radius r and height r, a cone of base radius r and height r fixed to the cylind....volume of the body (given r = 2) is :

Question 9. The radius of base and curved surface area of a right cylinder is 'r' units and 4πrh square units respectively. The hei....square units respectively. The height of the cylinder is :

Question 10. A rectangular paper of 44 cm long and 6 cm wide is rolled to form a cylinder of height equal to width of the paper. The ....of the base of the cylinder so rolled is :

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Chapter 3.1 : Overview of Finance & Accounts Department Chapter 3 : Finance & Accounts SAIL E0 - GFM 2024

Chapter 2.1 : Overview Chapter 2 : Materials Management SAIL E0 - GFM 2024

Chapter 1.1 : Personnel Functions- An overview Chapter 1 : Personnel Management SAIL E0 - GFM 2024

GPOE / GPA Combined 1 Free CBT Mock Test SAIL E0 2024

CBT Mixed Test 1 GPOE/GPA SAIL E0 2024