# 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 = 2,000.

### Explanation

Here given the = 2,000## 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