IMO- Mathematics Olympiad Class 10: Questions 371 - 376 of 908

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 908 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 371

» Triangle, Circle & Constructions

MCQ▾

Question

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

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 92,125,180and80 occur with frequencies 12,7,6and9 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 (1,2),(3,4)and(5,6) is ________

Choices

Choice (4) Response

a.

(2,11)

b.

(11,2)

c.

(2,11)

d.

(11,2)

Question number: 375

» Coordinate Geometry

MCQ▾

Question

Find the area of triangle if the coordinates of vertices are (10,5),(8,4)and(6,6) 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 (3,2),(4,8),(2,1)and(3,5) .

Choices

Choice (4) Response

a.

8

b.

6

c.

12

d.

10

f Page
Sign In