IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 415 - 421 of 931

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Question 415

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Question

MCQ▾

The area of an isosceles triangle having base x cm and one side y cm is________

Choices

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

Question 416

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Question

MCQ▾

Which of the points A (0,6), B (-2,4), C (-4,0), D (0, -2), E (0, -5), F (4, -4) do lie on the Quadrant 1 and 4?

Choices

Choice (4)Response
a.Q, R, W, U and T
b.P, S, W, U and R
c.P, R, T, U and X
d.Q, R, T, V and X

Question 417

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Question

MCQ▾

If the height of cone is thrice, then its volume is increased by________.

Choices

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

Question 418

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Question

MCQ▾

The altitude drawn to the base of an isosceles triangle is of length 6 cm and the perimeter is 72 cm. the area of the triangle is ________

Choices

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

Question 419

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Question

MCQ▾

A rectangular field has its length and breadth in the ratio. Its area is 10.29 hectares. The cost of fencing it at RS. 8 per meter is ________

Choices

Choice (4)Response
a.Rs. 21500
b.Rs. 15400
c.Rs. 14200
d.Rs. 11200

Question 420

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Question

MCQ▾

The volume of the largest circular cone that can be cut of a cube whose edge is 16 cm is ________

Choices

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

Question 421

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Question

MCQ▾

In the figure , and . Then x equals ________.

Given the AB equal to AC and AE equal to AD

Given the AB Equal to AC and AE Equal to AD

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Choices

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