IMO- Mathematics Olympiad Class 9: Questions 317 - 322 of 919

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Question number: 317

MCQ▾

Question

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.

B and D only

b.

B, C, E

c.

A and E only

d.

A, C, E

Question number: 318

MCQ▾

Question

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 number: 319

MCQ▾

Question

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.

665 m

b.

770 m

c.

490 m

d.

860 m

Question number: 320

MCQ▾

Question

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

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 321

MCQ▾

Question

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 ________.

Choices

Choice (4) Response

a.

20 cm

b.

10 cm

c.

24 cm

d.

48 cm

Question number: 322

MCQ▾

Question

If in the following image angle PQR is 110˚ then what would be the angle PSR?

Choices

Choice (4) Response

a.

120˚

b.

170˚

c.

150˚

d.

140˚

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