IGCSE Mathematics Paper-1: Specimen Questions with Answers 253 - 255 of 324

Question 253

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The plan of a rectangular garden with 4 triangular flowerbeds is shown in the diagram.

The plan of a rectangular garden

The Plan of a Rectangular Garden

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Write down the name of the special triangles that are

Unshaded

Explanation

  • Here given the shaded triangle is equilateral triangle.
  • An equilateral triangle is a triangle which all three sides equal.
  • All three internal angles are also congruent to each other and are each.

Question 254

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The Distance and time

The Distance and Time

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The diagram shows the graph of Rachel’s journey on a motorway. Starting at A, she drove 24 kilometers to B at a constant speed. Between B and C she had to drive sloowly through road works. At C she drove a further distance to D at her original speed.

For how many minutes was she driving through the road works?

Explanation

Here B to C she had to drive sloowly through road works.

So, B to C time (minutes) are

So,

Question 255

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Month ago, a store purchased a lawn mower and priced it at Rs. 9500. The store needed to clear out space, so the manager discounted the lawn mower 40%. If Sancho, who earns a 20 % commission on the sale price, sold the lawn mower, how much commission did he make?

Explanation

  • First find the discount price.
  • Write 40 % as the decimal 0.40 before using it in the equation.
  • The discount price was Rs. 5700.
  • Now find the commission. Write 20 % as the decimal 0.20 before using it in the equation.
  • The commission was Rs. 1140.

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