IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 397 - 402 of 931

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Question 397

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Question

MCQ▾

In the adjoining figure, Line p and q are transversals, then ST = ________

Given in figure line A, B and C are parallel

Given in Figure Line a, B and C Are Parallel

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Choices

Choice (4)Response
a.10 units
b.15 units
c.12 units
d.14 units

Question 398

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Question

MCQ▾

In the medians PS, QT and RU pass through O. if, and then OS is ________

In triangle PQR, the medians PS, QT and RU pass through O

In Triangle PQR, the Medians PS, QT and RU Pass through O

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Choices

Choice (4)Response
a.2.5
b.2.6
c.2.3
d.2.9

Question 399

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Question

MCQ▾

What change in percent is made in the area of a rectangle by decreasing its length and increasing its breadth by ?

Choices

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

Question 400

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Question

MCQ▾

The heights of two cones are in the ratio of 3: 8 and their radius in the ratio 5: 3. Then the ratio of their volumes is ________

Choices

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

Question 401

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Question

MCQ▾

PQRS is a cyclic Quadrilateral whose diagonals intersect at a point E. If, , , then =________

PQRS is a cyclic Quadrilateral and intersect at a point E

PQRS is a Cyclic Quadrilateral and Intersect at a Point E

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Choices

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

Question 402

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Question

MCQ▾

The area of rhombus is and one of its diagonals is 8 cm. its perimeter is ________

Choices

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