IMO- Mathematics Olympiad Class 10: Questions 371 - 376 of 958

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Question number: 371

» Triangle, Circle & Constructions

MCQ▾

Question

J, K and L are respectively the mid-points of sides XY, YZ and XZ of Equation . Find the ratio of the area of Equation .

Given the two triangles XYZ and JKL

Given the Two Triangles XYZ and JKL

Given the two triangles XYZ and JKL and J and K are the midpoints of the XY and XZ

Choices

Choice (4) Response

a.

2: 3

b.

2: 7

c.

1: 4

d.

3: 5

Question number: 372

» Statistics & Probability

MCQ▾

Question

If Equation occur with frequencies Equation respectively, then the arithmetic mean is ________

Choices

Choice (4) Response

a.

125

b.

111

c.

120

d.

115

Question number: 373

» Statistics & Probability

MCQ▾

Question

The mean of 11 observations is 30. If the mean of the first 6 observations is 40 and that of the last 6 observations is 44, then the Sixth observation is ________

Choices

Choice (4) Response

a.

174

b.

128

c.

137

d.

131

Question number: 374

» Coordinate Geometry

MCQ▾

Question

The coordinates of the centre of a circle passing through Equation is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 375

» Coordinate Geometry

MCQ▾

Question

Find the area of triangle if the coordinates of vertices are Equation is ________

Choices

Choice (4) Response

a.

9 sq. units

b.

5 sq. units

c.

2 sq. units.

d.

3 sq. units

Question number: 376

» Coordinate Geometry

MCQ▾

Question

Find the area of the quadrilateral, the coordinates of whose angular points taken in order are Equation .

Choices

Choice (4) Response

a.

8

b.

6

c.

12

d.

10

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