# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 218 - 224 of 1022

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## Question number: 218

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MCQ▾

### Question

A number is multiplied by 6. If 24 is subtracted from the product and difference is divided by 42, the result is equal to 10. The number is ________.

### Choices

Choice (4) Response

a.

74

b.

56

c.

19

d.

52

## Question number: 219

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MCQ▾

### Question

5 is added to a number and the sum is multiplied by 5. If 25 is subtracted from the product and difference is divided by 8, the result is equal to 10. The number is ________.

### Choices

Choice (4) Response

a.

10

b.

19

c.

16

d.

14

## Question number: 220

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MCQ▾

### Question

Savan is n years older than his sister is. His sister’s age is 19. What is their total age before 2 years?

### Choices

Choice (4) Response

a.

years

b.

years

c.

years

d.

years

## Question number: 221

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MCQ▾

### Question

, then find the value of X.

### Choices

Choice (4) Response

a.

8

b.

c.

1

d.

## Question number: 222

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MCQ▾

### Question

The number of girls in a class is 4 times the number of boys. Which of the following cannot be the total number of children in the class?

### Choices

Choice (4) Response

a.

25

b.

17

c.

35

d.

105

## Question number: 223

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MCQ▾

### Question

One-third of Rajani’s marks in Mathematics exceeds a half of his marks in English by 30. If he got 120 marks in the two subjects together, how many marks did he get in English?

### Choices

Choice (4) Response

a.

42

b.

84

c.

78

d.

36

## Question number: 224

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MCQ▾

### Question

The average of andis. The value of Y is ________

### Choices

Choice (4) Response

a.

15

b.

21

c.

23

d.

20