# IMO- Mathematics Olympiad Class 10: Questions 382 - 387 of 958

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## Question number: 382

MCQ▾

### Question

Find the area of the triangle whose vertices are and

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 383

MCQ▾

### Question

XYZ is an isosceles triangle. If the coordinates of the base are, then the coordinates of the vertex Z can be

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 384

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

MCQ▾

### Question

In the given figure And , then ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 386

MCQ▾

### Question

The mean of is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 387

MCQ▾

### Question

is three vertices of the parallelogram ABCD. The coordinates of fourth vertex is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

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