# IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 466 - 472 of 968

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## Question number: 466

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MCQ▾

### Question

In rhombus ABCD, =________

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 467

Edit
MCQ▾

### Question

The area of a triangle is 5 square units, two of its vertices are . The third vertex lies on . What will be the third vertex?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 468

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MCQ▾

### Question

The average temperatures of Tuesday, Wednesday and Thursday was . The average temperature of Wednesday, Thursday and Friday was . If the temperature on Tuesday was , then the temperature on Friday was ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 469

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MCQ▾

### Question

The algebraic sum of the deviations of a frequency distribution from its mean is ________

### Choices

Choice (4)Response

a.

0

b.

A non-zero number

c.

Always positive

d.

Always negative

## Question number: 470

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MCQ▾

### Question

The mean of 10 observations is . if each observation is multiplied by 2, then what is the new mean?

### Choices

Choice (4)Response

a.

15

b.

16

c.

17

d.

11

## Question number: 471

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MCQ▾

### Question

The distance between the points is ________

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 472

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MCQ▾

### Question

If are the midpoints of the sides of , the area of the triangle is ________

### Choices

Choice (4)Response

a.

29 sq. units

b.

44 sq. units

c.

55 sq. units

d.

35 sq. units

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