IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 314 - 320 of 931

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Question 314

Question

MCQ▾

The volume of the largest circular cone that can be cut of a cube whose edge is 8 cm is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 315

Question

MCQ▾

A circular park of 80 metre diameter has a circular path just inside the boundary of width 8 metre. The area of path is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 316

Question

MCQ▾

Which of the points A (0,3) , B (1,0) , C (0, -1) , D (-5,0) , E (1,2) do not lie on the x-axis?

Choices

Choice (4)Response

a.

A and E only

b.

B, C, E

c.

A, C, E

d.

B and D only

Question 317

Question

MCQ▾

If the volumes of two cones are in the ratio 2: 3 and their diameters are in the ratio 3: 7, and then the ratio of their heights is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 318

Question

MCQ▾

The length of canvas 1.2 m wide required building a conical tent of height 14 m and also on the floor of floor area , breadth of canvas is ________

Choices

Choice (4)Response

a.

490 m

b.

770 m

c.

665 m

d.

860 m

Question 319

Question

MCQ▾

If the altitude of an equilateral triangle is , its area is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 320

Question

MCQ▾

A rectangle with perimeter 44cm is partitioned into 5 congruent rectangles, as indicated in the diagram. The perimeter of each of the congruent rectangle is ________.

A Rectangle with Perimeter 44cm is Partitioned

Choices

Choice (4)Response

a.

24 cm

b.

48 cm

c.

10 cm

d.

20 cm