# IGCSE Mathematics Paper-1: Specimen Questions with Answers 235 - 240 of 324

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## Question 235

### Write in Short

Short Answer▾Make x the subject of the formula.

### Explanation

Here define the x the subject

## Question 236

### Write in Short

Short Answer▾On the grid above, plot the points .

### Explanation

Find the area of the quadrilateral ABCD.

## Question 237

### Write in Short

Short Answer▾A school has 400 students.

The table shows the number of students attending school in one week.

Monday | Tuesday | Wednesday | Thursday | Friday |

370 | 380 | 350 | 340 | 390 |

For these values,

i. Calculate the mean

### Explanation

## Question 238

### Explanation

- Standard form is a way of writing down very large or very small number easily.
- Here find the standard form of 0.0987 value.

## Question 239

### Write in Short

Short Answer▾x is an integer between 50 and 80.

Write down the value of x when it is

A multiple of 35

### Explanation

Here given the x is an integer between 50 and 80.

is between 50 and 80

So, answer is 70.

## Question 240

### Write in Short

Short Answer▾A model ship is flying two flags.

The first is a rectangle 5 centimeters by 6 centimeters.

The second is an isosceles triangle with base 8 centimeters and height h centimeters.

The flags are equal in area.

Find the value of h.

### Explanation

- The first model ship flag is a rectangle 5 centimeters by 6 centimeters.
- The second model ship flag is an isosceles triangle with base 8 centimeters and height h centimeters.