# IMO Level 2- Mathematics Olympiad (SOF) Class 8: Questions 228 - 232 of 315

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### Passage

The graph below shows the marks obtained by five pupils for their Mathematics test. Study the graph and answer the questions.

## Question 228 (2 of 2 Based on Passage)

### Question

MCQ▾

Name the pupil whose marks are of Sohan՚s marks.

### Choices

Choice (4)Response

a.

Rohit

b.

Tarun

c.

Mohit

d.

Sohan

## Question 229

Appeared in Year: 2013

### Question

MCQ▾

The average age of 8 men increased by 2 years when two of them whose ages are 21 years and 23 years are replaced by two new men. The average age of the two new men is …

### Choices

Choice (4)Response

a.

22 years

b.

28 years

c.

24 years

d.

30 years

## Question 230

Appeared in Year: 2017

### Question

MCQ▾

A covered wooden box has the inner dimensions as 115 cm, 75 cm and 35 cm and the thickness of wood is 2.5 cm. The volume of the wood is

### Choices

Choice (4)Response

a.

81000 cu. cm

b.

82125 cu. cm

c.

81775 cu. cm

d.

All of the above

## Question 231

Appeared in Year: 2018

### Question

MCQ▾

Add the result of (a) and (b) and find the coefficient of

(a) Subtract from .

(b) Subtract from .

### Choices

Choice (4)Response

a.

-9

b.

-5

c.

9

d.

5

## Question 232

Appeared in Year: 2018

### Question

MCQ▾

If the height of a cylinder becomes of the original height and the radius become half, then which of the following will be true?

### Choices

Choice (4)Response

a.

Curved surface area of the cylinder will be of the original curved surface area.

b.

Curved surface area of the cylinder will be of the original curved surface area.

c.

Curved surface area of the cylinder will remain halved.

d.

Curved surface area of the cylinder will be unchanged.