IGCSE Mathematics Paper-1: Specimen Questions with Answers 293 - 297 of 324

Question number: 293

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The integer n is such that .

List all the possible values of n.

Explanation

  • An integer is a whole number that can be positive, negative or zero.

  • Here find the integer n is such that

  • The values are

Question number: 294

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A train leaves America at 9: 55 and arrives in Russia at 12: 07.

How long does the journey take?

Give your answer in hour and minutes.

Explanation

  • A train leaves America at 9: 55

  • Arrives in Russia at 14: 07

  • So,

  • 9: 55 to 10: 00 minutes

  • 10: 00 to 12: 00 hours

  • 12: 00 to 12: 07 minutes

  • Add those together and you get the total time

Question number: 295

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When , find the value of

Explanation

Here

Question number: 296

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x is an integer between 50 and 80.

Write down the value of x when it is

53

Explanation

Here given the

Question number: 297

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An athlete’s time for a race was 47.89 seconds.

Correct to one decimal place.

One significant figure.

Explanation

  • When we approximate whole numbers may need to insert zeros as required in order to maintain the size of the number.

  • The significant number is 50

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