# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 472 - 477 of 1042

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## Question 472

### Question

MCQ▾

A quadrilateral whose one diagonal is 4 cm. If the length of altitudes from opposite vertices on the diagonal is 2.5 cm and 1.5 cm, then the area of quadrilateral is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 473

### Question

MCQ▾

The number of surfaces in right circular cylinder is________.

### Choices

Choice (4)Response

a.

1

b.

2

c.

3

d.

4

## Question 474

### Question

MCQ▾

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 475

### Question

MCQ▾

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 476

### Question

MCQ▾

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

### Choices

Choice (4)Response

a.

50

b.

40

c.

42

d.

25

## Question 477

### Question

MCQ▾

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