Surface Area and Volumes (IMO- Mathematics Olympiad Class 9): Questions 98 - 103 of 104

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Question number: 98

» Surface Area and Volumes

MCQ▾

Question

The largest sphere is cut off from a cube of side 12 cm. the volume of the sphere will be ________

Choices

Choice (4) Response
a.

288πcm3

b.

154π6cm3

c.

230πcm3

d.

270πcm3

Question number: 99

» Surface Area and Volumes

MCQ▾

Question

The altitude drawn to the base of an isosceles triangle is of length 12 cm and the perimeter is 96 cm. the area of the triangle is ________

Choices

Choice (4) Response
a.

320cm2

b.

270cm2

c.

408cm2

d.

560cm2

Question number: 100

» Surface Area and Volumes

MCQ▾

Question

A rectangular field has its length and breadth in the ratio 5:2 . Its area is 0.9 hectares. The cost of fencing it at RS. 10 per meter is ________

Choices

Choice (4) Response
a.

Rs. 6200

b.

Rs. 7400

c.

Rs. 4200

d.

Rs. 5200

Question number: 101

» Surface Area and Volumes

MCQ▾

Question

The edge of a cube is 25 cm. how many small cubes of 5 cm edge can be formed from this cube?

Choices

Choice (4) Response
a.

180

b.

148

c.

125

d.

164

Question number: 102

» Surface Area and Volumes

MCQ▾

Question

A covered wooden box has the inner measures as 95 cm, 120 cm, 30 cm and the thickness of wood is 7 cm. then the volume of the wood is________

Choices

Choice (4) Response
a.

3, 66, 400 cu. Cm

b.

3, 00, 664 cu. Cm

c.

6, 64, 000 cu. Cm

d.

3, 64, 000 cu. Cm

Question number: 103

» Surface Area and Volumes

MCQ▾

Question

In the given figure, ABCD and AEFC are square. △ABG is a right angled triangle. If △ABG has an area 14unit2 , then the area of polygon AEFCD is ________

Given the ABCD and AEFC are square and Triangle ABG

Given the ABCD and AEFC Are Square and Triangle ABG

Given the ABCD and AEFC are square. Triangle ABG is a right-angled triangle. Find the area of polygon AEFCD

Choices

Choice (4) Response
a.

12unit2

b.

32unit2

c.

14unit2

d.

34unit2

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