# IGCSE Mathematics Paper-1: Specimen Questions with Answers 72 - 75 of 324

## Question 72

### Describe in Detail

Essay▾

In a Hospital there are many types of the members and No. of members, which are shown in the table below.

 Types of members No. of Members Doctors 25 Nurses 50 Peons 35 Patients 78

Draw a bar chart below to show this data. Show your scale on the vertical axis and label the bars.

## Question 73

### Write in Short

Choose the following symbols to complete following statements.

(a)

(b)

### Explanation

Here,

(a) First statement is

• So, now convert it into percentage. So, .
• So,

(b) Second statement is

• So,
• So,

## Question 74

### Write in Brief

One Liner▾

Write the following in order, with the smallest at the first.

### Explanation

• and
• So, sequence from smallest to largest will be: .

## Question 75

### Describe in Detail

Essay▾

The diagram shows a square of side 8 cm and four congruent triangles of height 7 cm.

(a) Calculate

(i) The area of one triangular face

(ii) The area of the whole shape

(b) What is this shape, which is a net of a solid?

### Explanation

Here,

(a) (i) The area of triangle: , where, h = height and b = base.

So, here, height h = 7 cm and base will be the side of square so base b = 8 cm

So, area of one triangular face =

(ii) The area of whole shape =

So, area of square =

So, area of whole shape =

(b) The shape is the net of a solid. So, it is called as Square Pyramid.

If there are all equilateral triangles then the pyramid is called as Johnson Solid.

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