IGCSE Mathematics Paper-1: Specimen Questions with Answers 51 - 53 of 324

Question 51

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Short Answer▾

Sheena spends on fruits. This amount is of her allowance. Find her allowance.

Explanation

Here, is of her allowance, so take allowance is x.

So,

Question 52

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Short Answer▾

The table below is part of a train timetable

Showing Time Table of Different Railway Stations

(a) Mahi reached at Delhi railway station at 6: 15. Next train is 10 minutes late. How much time she need to wait for next train?

(b) First train at Ahmedabad station reached 15 minutes early, at what time train arrived at the station?

Explanation

(a) Here, Mahi reached at Delhi railway station at 6: 15. Next train is of 7: 15 and it late for 10 minutes means it will reach at 7: 25.

  • So, Mahi need to wail from 6: 15 to 7: 25 means

(b) Here, time of first train of Ahmedabad is 6: 30 and it reached 15 minutes early.

  • So, this train arrived at

Question 53

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Short Answer▾

For the shape shown,

A Coloured Regular Hexagon

Write down

(a) The number of lines of symmetry,

(b) The order of rotational symmetry

Explanation

Here,

(a) If we can reflect a figure over a line and the figure appears unaffected, then the figure has reflection symmetry or line symmetry.

  • The line that you reflect over is called the line of symmetry.
  • A line of symmetry divides a figure into two mirror-image separations.
  • The number of lines of symmetry of a regular hexagon is 6 because it has six equal sides by reflecting all we can get same image as it is.

(b) The order of rotational symmetry of a regular hexagon is also 6 becausewhen we rotate it, it will see in same position as shown in given figure for six times.

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