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

Question number: 72

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Essay Question▾

Describe in Detail

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

Types of members and No. of members

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.

Explanation

Question number: 73

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Short Answer Question▾

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 number: 74

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One Liner Question▾

Write in Brief

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

Explanation

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

Question number: 75

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Essay Question▾

Describe in Detail

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

A square and four congruent triangles

A Square and Four Congruent Triangles

(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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