IGCSE Mathematics Paper-1: Specimen Questions with Answers 270 - 275 of 324

Question number: 270

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Find the circumference of a circle of radius 7.1 cm.

Write down your answer

Correct to the nearest centimeter.

Explanation

  • Circumference of circle is 44.588

  • Here find the nearest centimeter.

  • So, the answer is 45 cm.

Question number: 271

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Find T when n = 64.

Explanation

  1. Here given the n = 64

Question number: 272

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There are 10 boys and 15 girls in a choir.

The teacher chooses one choir member at random.

What is the probability that this is a girl?

Write your answer as a fraction.

Explanation

  • Given that the number of boys and girls in a choir is a follows:

  • Number of boys = 10

  • Number of girls = 15

  • Then we conclude that the total number of students in the class = 25 students.

Question number: 273

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Factor

Explanation

  • Here polynomial has four terms, you may be able to factor by grouping

  • If the expressions in brackets match, you can factor by grouping:

  • Factor by grouping.

Apply the distributive property

Question number: 274

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Solve the equations

Explanation

Question number: 275

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Factories

Explanation

  1. Here given the

  2. First to any common value in equation

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