IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 276 - 281 of 931

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Question 276

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Question

MCQ▾

In the given figure, the area of shaded portion is ________

Given the PQS and PQR is a triangle

Given the PQS and PQR is a Triangle

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Choices

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

Question 277

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Question

MCQ▾

In triangle HKM, the altitude from H to KM meets KM at J, and the altitude from K to HM meets HJ at S. if , and , if then the length of SJ is ________

Choices

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

Question 278

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Question

MCQ▾

On plotting the points A (3,6), B (9,6), C (5,8), D (11,8), E (11,3), F (9,1), G (3,1) and joining AB, AC, BD, CD, DE, BF, AG, EF, GF Which of the following figure is obtained?

Choices

Choice (4)Response
a.Cube
b.Teardrop
c.Can
d.Chord

Question 279

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Question

MCQ▾

If the coordinate of the two points are A (-2,6) and B (-4,5) then (abscissa of A) - (abscissa of B) is ________

Choices

Choice (4)Response
a.2
b.1
c.-1
d.-2

Question 280

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Question

MCQ▾

The ratio between the length and the breadth of a rectangular park is. If a man cycling along the boundary of the park at the speed of 15 km/hr completes one round in 12 minutes, then the area of the park is________

Choices

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

Question 281

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Question

MCQ▾

Two regular polygons are such that the ratio between their no. of sides is 1: 2 and the ratio of measures of their interior angles is 3: 4. Find the number of sides of each polygon.

Choices

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