# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 468 - 475 of 929

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## Question number: 468

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MCQ▾

### Question

The measures of two complementary angles are represented by and. What is the value of x?

### Choices

Choice (4)Response

a.

40

b.

20

c.

30

d.

10

## Question number: 469

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MCQ▾

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 470

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MCQ▾

### Question

The median of the following numbers 99,54,78,65,35,45,66 is________

### Choices

Choice (4)Response

a.

66

b.

35

c.

65

d.

54

## Question number: 471

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MCQ▾

### Question

In Priti’s opinion, her weight is greater than 45 kg but less than 52 kg. Her brother does not agree with Priti and he thinks that Priti’s weight is greater than 40 kg but less than 50 kg. Her mother’s view is that his weight cannot be greater than 48 kg. If all of them are correct in their estimations, what is the average of different probable weights of Priti?

### Choices

Choice (4)Response

a.

47 kg

b.

51 kg

c.

49 kg

d.

53 kg

## Question number: 472

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MCQ▾

### Question

Which number will replace the question mark? Given the Some Numbers in Triangle – Find Missing NumberGiven the some number in triangle for find the number will replace the question mark

### Choices

Choice (4)Response

a.

18

b.

10

c.

15

d.

11

## Question number: 473

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MCQ▾

### Question

If has as a factor and leaves a remainder -26 when divided by, find the values of ‘x’ and ‘y’.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 474

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MCQ▾

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 475

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MCQ▾

### Question

Two distinct points in a plane determine ________ line.

### Choices

Choice (4)Response

a.

Two

b.

Tnree

c.

Unique

d.

All of the above

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