IGCSE Mathematics Paper-1: Specimen Questions with Answers 224 - 230 of 324

Question 224

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Sahin and Abita measure their heights.

Sahin’s height is 178 cm and Abita’s height is 189 cm, both correct to the nearest centimeter.

Find the greatest possible difference between their heights.

Explanation

  • Here given the Sahin’s height is 178 cm and Abita’s height is 189 cm
  • And both correct to the nearest centimeter is

Question 225

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The temperature at sunrise in Berne on the seven days of one week were:

Explanation

  • Here find the mode of the seven temperatures
  • The mode is the number that is repeated most often.
  • So, 2 is the mode because Tuesday and Friday temperature is

Question 226

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Write 0.000496 in standard form.

Explanation

It’s because the decimal point has been moved 4 places to the right to get the number to be 4.96

Question 227

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Work out

Explanation

i.

ii.

Question 228

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Simplify the following expressions.

Explanation

Here given the

Question 229

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List all the factors of 60.

Write down the prime factors of 60. (1 is not a prime number. )

Explanation

  • Which can also be written

Question 230

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Work out

Writing down

Your full calculator display,

Explanation

Here given the

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