# Surface Area and Volumes (IMO- Mathematics Olympiad (SOF) Class 9): Questions 54 - 57 of 104

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## Question number: 54

» Surface Area and Volumes

MCQ▾

### Question

ABC is triangle in which BE, CF are medians. If , and , then the area of is________

### Choices

Choice (4) Response

a.

240

b.

120

c.

102

d.

360

## Question number: 55

» Surface Area and Volumes

MCQ▾

### Question

The area of a quadrilateral JKLM, in which, is an equilateral triangles of side 20 cm and is________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 56

» Surface Area and Volumes

MCQ▾

### Question

A wooden article was made by scooping out a hemisphere from each end of a solid cylinder. If the height of the cylinder is 20 cm, and its base is of radius 7.5 cm, find the total surface area of the article.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 57

» Surface Area and Volumes

MCQ▾

### Question

A triangle and a parallelogram are equal in area. They also have the same altitudes. If the base of the triangle is 24 inches, the base of the parallelogram is ________

### Choices

Choice (4) Response

a.

12 inches

b.

15 inches

c.

14 inches

d.

18 inches

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