IMO- Mathematics Olympiad Class 10: Questions 382 - 387 of 908

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Question number: 382

» Coordinate Geometry

MCQ▾

Question

Find the area of the triangle whose vertices are (3,4),(4,3) and (8,6)

Choices

Choice (4) Response

a.

3525

b.

5352

c.

3552

d.

5325

Question number: 383

» Coordinate Geometry

MCQ▾

Question

XYZ is an isosceles triangle. If the coordinates of the base are X(5,9)andY(2,5) , then the coordinates of the vertex Z can be

Choices

Choice (4) Response

a.

(8,16)

b.

(14,5)

c.

(6,15)

d.

(7,14)

Question number: 384

» Statistics & Probability

MCQ▾

Question

The mean of 7 observations is 20. If the mean of the first 4 observations is 20 and that of the last 4 observations is 16, then the Fourth observation is ________

Choices

Choice (4) Response

a.

3

b.

7

c.

8

d.

4

Question number: 385

» Triangle, Circle & Constructions

MCQ▾

Question

In the given figure GHDF And GIDH , then EH×IH= ________

Given the triangle DEF and multiple lines are parallel

Given the Triangle DEF and Multiple Lines Are Parallel

Given the triangle DEF and GH are parallel to DF and GI are parallel to DH

Choices

Choice (4) Response

a.

HF×EI

b.

EI×IH

c.

EH×HF

d.

HF×IH

Question number: 386

» Statistics & Probability

MCQ▾

Question

The mean of 15,32,54,910,120and240, is ________

Choices

Choice (4) Response

a.

23

b.

95

c.

53

d.

13

Question number: 387

» Coordinate Geometry

MCQ▾

Question

A(1,2),B(4,1)andC(7,6) is three vertices of the parallelogram ABCD. The coordinates of fourth vertex is ________

Choices

Choice (4) Response

a.

(7,2)

b.

(7,2)

c.

(2,7)

d.

(2,7)

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