IMO- Mathematics Olympiad Class 9: Questions 220 - 223 of 919

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Question number: 220

» Surface Area and Volumes

MCQ▾

Question

The number of spherical bullets each 0.6 cm in diameter be made out of a rectangular solid 9cm×11cm×12cm is ________

Choices

Choice (4) Response

a.

10200

b.

10500

c.

10550

d.

10250

Question number: 221

» Surface Area and Volumes

MCQ▾

Question

A rectangle is divided into four smaller rectangles, as shown in the figure. Three of them have areas 6units2 , 18units2 and 36units2 as indicated. Then the area of the shaded rectangle is ________

Given the rectangle is divided into four smaller rectangles

Given the Rectangle Is Divided Into Four Smaller Rectangles

Given the rectangle is divided into four smaller rectangles. Three of them have area 6 units, 18 units and 36 units as indicated and find the area of the shaded rectangle

Choices

Choice (4) Response

a.

12units2

b.

30units2

c.

18units2

d.

24units2

Question number: 222

» Triangles and Circles

MCQ▾

Question

In ABC , If divides BC in the ratio m:n , then AreaofABD:Area ofADC is ________

Given the triangle ABC, if divides BC in the ratio m:n

Given the Triangle ABC, if Divides BC in the Ratio M: N

Given the triangle ABC, if divides BC in the ratio m: n and find the ratio Area of triangle ABD and ADC

Choices

Choice (4) Response

a.

m: n

b.

m: 3n

c.

3m: n

d.

2m: n

Question number: 223

» Surface Area and Volumes

MCQ▾

Question

The number of bullets that can be made out of a cube of lead whose edge measures 33 cm, each bullet being 4 cm in diameter is ________.

Choices

Choice (4) Response

a.

1072

b.

3072

c.

5072

d.

2072

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