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

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Question 260

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Figure Show of the Tree

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

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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

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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

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Write 45 % as a fraction in its lowest terms.

Explanation

  • Here given the 45 %
  • The fraction are

Question 264

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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

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