Surface Area and Volumes (IMO- Mathematics Olympiad Class 9): Questions 19 - 23 of 104

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 919 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 19

» Surface Area and Volumes

MCQ▾

Question

A spherical ball of lead, 5 cm in diameter is melted and recast into two spherical balls. The diameter of one of these is 4 cm. The radius of the second ball is________

Choices

Choice (4) Response

a.

2.51 cm

b.

3.51 cm

c.

2.26 cm

d.

3.94 cm

Question number: 20

» Surface Area and Volumes

MCQ▾

Question

A cone and a hemisphere have the same height and same radius of the base. The ratio between the volumes of the cone and the hemisphere is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 21

» Surface Area and Volumes

MCQ▾

Question

The area of a quadrilateral ABCD, in which Equation , Equation is an equilateral triangles of side 24 cm and Equation is________.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 22

» Surface Area and Volumes

MCQ▾

Question

The parallel sides of a trapezium are 60 cm and 77 cm and non-parallel sides are 26 cm and 26 cm. The approximate area of trapezium is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 23

» Surface Area and Volumes

MCQ▾

Question

In the given figure, the area of shaded portion is ________

Given the PQS and PQR is a triangle

Given the PQS and PQR Is a Triangle

Given the PQS and PQR is a triangle and also define the PR = 52 cm, QR = 48 cm, QS = 16 cm and PS = 12 cm find the shaded area region

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

f Page
Sign In