IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 392 - 396 of 931

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Question 392

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Question

MCQ▾

The area of a quadrilateral, one of whose diagonals is 30 cm long and the perpendiculars from the other two vertices are 19 cm and 11 cm respectively is ________

Choices

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

Question 393

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Question

MCQ▾

A cylindrical vessel 60 cm in diameter is partially filled with water. A sphere, 60 cm in diameter is gently dropped into the vessel. To what further height will water rise in the cylinder?

Choices

Choice (4)Response
a.25 cm
b.15 cm
c.40 cm
d.30 cm

Question 394

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Question

MCQ▾

DEF is an equilateral triangle of side. S, T and U are midpoints of DE, EF and DF respectively. The area of triangle STU is ________

Given the DEF is an equilateral triangle of side 12 cm

Given the DEF is an Equilateral Triangle of Side 12 Cm

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Choices

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

Question 395

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Question

MCQ▾

In parallelogram ABCD. The altitudes corresponding to the sides AB and AD are respectively 4 cm and 5 cm. Find AD.

Given the ABCD is a parallelogram and AB is 20 cm

Given the ABCD is a Parallelogram and AB is 20 Cm

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Choices

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

Question 396

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Question

MCQ▾

The sides BC, CA and AB of are produces in order to form exterior angles and, then is ________

Given the sides BC, CA and AB of triangle ABC

Given the Sides BC, CA and AB of Triangle ABC

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Choices

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