IMO- Mathematics Olympiad Class 9: Questions 425 - 429 of 919

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Question number: 425

» Coordinate Geometry

MCQ▾

Question

A line passed through the point (3, 6) and has gradient 52 . Find the y-coordinate of a point on the line when x = 11.

Find the y-coordinate of a point on the line when x=11

Find the Y-Coordinate of a Point on the Line When X = 11

Put two points in graph and find the y coordinate value

Choices

Choice (4) Response

a.

13

b.

12

c.

14

d.

15

Question number: 426

» Triangles and Circles

MCQ▾

Question

In a ABC , the medians AD, BE and CF meet at G, then 4(AD2+BE2+CF2)= ________

Triangle ABC and its medians

Triangle ABC and Its Medians

Triangle ABC and the medians AD, BE and CF meets at G

Choices

Choice (4) Response

a.

4(AB2+BC2+AC2)

b.

7(AB2+BC2+AC2)

c.

3(AB2+BC2+AC2)

d.

(AB2+BC2+AC2)

Question number: 427

» Surface Area and Volumes

MCQ▾

Question

Volume of a hemisphere is 14564 cubic cm. The total surface area is ________

Choices

Choice (4) Response

a.

4525.12 sq. cm

b.

1215.15 sq. cm

c.

6545.25 sq. cm

d.

3432.44 sq. cm

Question number: 428

» Surface Area and Volumes

MCQ▾

Question

A circular park of 60 metre diameter has a circular path just inside the boundary of width 3 metre. The area of path is ________

Choices

Choice (4) Response

a.

211πm2

b.

191πm2

c.

171πm2

d.

151πm2

Question number: 429

» Surface Area and Volumes

MCQ▾

Question

Volume of a hemisphere is 27500 cubic cm. The total surface area is ________.

Choices

Choice (4) Response

a.

4158.45 sq. cm

b.

5246.89 sq. cm

c.

6548.23 sq. cm

d.

9584.12 sq. cm

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