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

## Question 145

### Write in Short

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

Games | No. of Students |

Robotics | 50 |

General Knowledge | 45 |

Singing | 40 |

Quiz | 65 |

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.

## Question 146

### Write in Short

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: .