IGCSE Mathematics Paper-1: Specimen Questions with Answers 145 - 148 of 324

Question 145

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Short Answer▾

In a college, the number of students taking part in various games in an event, which is shown in the table below.

Types of Games and No. Of Student
GamesNo. of Students
Robotics50
General Knowledge45
Singing40
Quiz65

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

Explanation

Here, draw a bar chart by using given data as shown below.

Chart Representing the Data

Question 146

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Short Answer▾

Solve

Explanation

Here, equation is

  • So, now multiply 6 with the terms inside the brackets:
  • Now, simplify as: .

Question 147

Edit

Write in Short

Short Answer▾

The scale on a map is 1: 250000 and road is 4.6 centimeters long on the map. Find actual length of the road in kilometers.

Explanation

Here, meaning of 1: 250000 is 1 cm long road is magnified by 250000 times on the map.

  • So, here 4.6 cm long road on the map can be
  • Now, 100 cm = 1 m, so 115000 cm = ?

  • Now, 1000 m = 1 km, so 11500 m = ?

  • So, length of road is 11.5 kilometers.

Question 148

Write in Brief

One Liner▾

Solve

Explanation

Here,

  • So, as per BODMAS calculation, expression will be:
  • So, first of all as per BODMAS (Brackets, Order, Division, Multiplication, Addition, Subtraction) brackets will be removed, in that also first of all multiplication will be:
  • Then in brackets subtraction will be:
  • Now, in brackets multiplication will be:
  • Now, division will be: .

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