# IGCSE Mathematics Paper-1: Specimen Questions with Answers 260 - 264 of 324

## Question 260

### Write in Short

Short Answer▾The diagram shows a ladder, AB standing up against a palm tree. The ladder is 12 meters long and its base is 4 meters from the tree.

Calculate how high up the tree the ladder reaches.

### Explanation

Here using as Pythagoras theorem

m

## Question 261

### Write in Short

Short Answer▾The frequency of radio waves (F) is connected to the wavelength by the formula .

Calculate the value of F when = 2000.

### Explanation

Here given the =2000

## Question 262

Edit

### Write in Short

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

Write down the value of x when it is

An even square number

### Explanation

- x is an integer between 50 and 80
- even square number will be 64

## Question 263

### Explanation

- Here given the 45 %
- The fraction are

## Question 264

Edit

### Write in Short

Short Answer▾The height, h meters, of a telegraph pole is 15 meters correct to the nearest meter. Complete the statement about the value of h.

### Explanation

- The keywords here are to the nearest meter.
- Basically, the height is rounded to the nearest meter, which is 15, so look at what the height could՚ve been.
- The answer is