# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 474 - 478 of 1040

Access detailed explanations (illustrated with images and videos) to 1040 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

## Question number: 474

Edit
MCQ▾

### Question

If the area of a cylinder with radius r = 1 and height h = 2 is equal to area of a cone with radius r = 1 and height h, the height of the cone is________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 475

Edit
MCQ▾

### Question

A quadrilateral whose one diagonal is 5.5 cm. If the length of altitudes from opposite vertices on the diagonal is 2.5 cm and 3.5 cm, then the area of quadrilateral is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 476

Edit
MCQ▾

### Question

ABC is a right-angled triangle with. AH is drawn perpendicular to BC where H lies on BC. If AB = 30 cm and AC = 50 cm, then BH = ________. Right-Angled Triangle ABC with AB = 30 Cm, AC = 50 Cm Find out BH of a right-angled triangle ABC using given measure when AH is perpendicular to BC

### Choices

Choice (4) Response

a.

50

b.

40

c.

42

d.

25

## Question number: 477

Edit
MCQ▾

### Question

A right cylindrical vessel is full with water, how many right cones having same diameter and height as that of right cylinder will be needed to store that water?

### Choices

Choice (4) Response

a.

5

b.

3

c.

2

d.

4

## Question number: 478

Edit
MCQ▾

### Question

The ratio of radii of two cylinders is 1: and heights are in the ratio 3: 2. The ratio of their volume is________.

### Choices

Choice (4) Response

a.

3: 4

b.

2: 3

c.

1: 4

d.

1: 2