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

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Question 314

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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

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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

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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

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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

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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

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Question

MCQ▾

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

Choices

Choice (4)Response
a.
b.
c.
d.

Question 320

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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

A Rectangle with Perimeter 44cm is Partitioned

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Choices

Choice (4)Response
a.24 cm
b.48 cm
c.10 cm
d.20 cm