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: 250,000 and road is 4.6 centimeters long on the map. Find actual length of the road in kilometers.
Explanation
Here, meaning of 1: 250,000 is 1 cm long road is magnified by 250,000 times on the map.
- So, here 4.6 cm long road on the map can be
- Now, 100 cm = 1 m, so 115,000 cm = ?
- Now, 1,000 m = 1 km, so 11,500 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: .