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

## Question number: 260

Short Answer Question▾

### Write in Short

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 number: 261

Short Answer Question▾

### Write in Short

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 number: 262

Short Answer Question▾

### Write in Short

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 number: 263

Short Answer Question▾

### Write in Short

Write 45 % as a fraction in its lowest terms.

### Explanation

Here given the 45%

The fraction are

## Question number: 264

Short Answer Question▾

### Write in Short

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