# IGCSE Mathematics Paper-1: Specimen Questions with Answers 315 - 319 of 324

## Question number: 315

Short Answer Question▾

### Write in Short

The point P is marked on the grid below. Draw the vector PQ on the grid

### Explanation

If zero, line segment from P to

Or to

A line through P and

## Question number: 316

Short Answer Question▾

### Write in Short

Calculate

### Explanation

Here given the

## Question number: 317

Short Answer Question▾

### Write in Short

Seven people were asked to guess the number of beans in a jar. Their guesses were

195,172,169,145,181,260,159

Find the median.

### Explanation

In a data set of

The sorted order becomes

The median is the number in the middle

The median value is 172.

## Question number: 318

Short Answer Question▾

### Write in Short

The formula for the perimeter, P of a rectangle with length L and width W is make a the subject of the formula.

### Explanation

The perimeter of a rectangle is given by the following formula:

To solve this formula for W

Subtract 2L from both sides of the equation

Divide both sides of the equation by 2

Thus given that the perimeter of a rectangle is defined by

Then its width (W) is given by

## Question number: 319

Short Answer Question▾

### Write in Short

Choose one of the symbols given above to complete each of the following statements.

When x = 12 and y=-4, then

### Explanation

Here x = 12 and y=-4

So,

So,