IMO- Mathematics Olympiad (SOF) Class 9: Questions 344 - 348 of 919

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: 344

» Surface Area and Volumes

MCQ▾

Question

A spherical ball of lead, 3 cm in diameter is melted and recast into three spherical balls. The diameter of two of these is 1.5 cm and 2 cm respectively. The radius of the third ball is________.

Choices

Choice (4) Response

a.

3 cm

b.

2.5 cm

c.

3.5 cm

d.

2.66 cm

Question number: 345

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The sum of the interior angles of a polygon is three times the sum of its exterior angles. Then number of sides in a polygon is ________.

Choices

Choice (4) Response

a.

8

b.

9

c.

5

d.

7

Question number: 346

» Coordinate Geometry

MCQ▾

Question

Write the coordinate of each the points J, K, L, M, N and O from the figure

Finding the coordinate values of the various points

Finding the Coordinate Values of the Various Points

Different points in graph and find the coordinates

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 347

» Lines, Angles and Quadrilaterals

MCQ▾

Question

In parallelogram ABCD. . The altitudes corresponding to the sides CD and AD are respectively 9 cm and 11 cm. Find AD.

Given the ABCD is a parallelogram and AB is 12 cm

Given the ABCD is a Parallelogram and AB is 12 Cm

Given the ABCD is a parallelogram and AB is 12 cm, AM is 9 cm and CN is 11 cm find AD

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 348

» Surface Area and Volumes

MCQ▾

Question

ABC is triangle in which BE, CF are medians. If , and , then the area of is________

Given the ABC is triangle in which BE, CF are medians

Given the ABC is Triangle in Which BE, CF Are Medians

Given the ABC is triangle in which BE, CF are medians. If BE is 15 cm, CF is 36 cm find the area of Triangle ABC

Choices

Choice (4) Response

a.

240

b.

120

c.

102

d.

360

f Page