IGCSE Mathematics Paper-1: Specimen Questions with Answers 177 - 180 of 324

Question number: 177

Edit

Short Answer Question▾

Write in Short

Multiply out the brackets .

Explanation

Here given the

Question number: 178

Edit

Short Answer Question▾

Write in Short

There are 10 boys and 15 girls in a choir.

The probability that Carla arrives at school before 09: 00 is .

What is the probability that Carla does not arrive before 09: 00?

Write your answer as a fraction.

Explanation

  • Here the given probability that Carla arrives at school before 09: 00 is

  • And find the probability that Carla does not arrive before 09: 00

Question number: 179

Edit

Short Answer Question▾

Write in Short

The figures below are similar. The labelled sides are corresponding. What is the perimeter of the large pentagons?

the figures below are similar.

The Figures below Are Similar

Explanation

  • Find the ratio of the corresponding side lengths.

  • Find the ratio of the perimeters.

  • Use these two ratios to set up a proportion and solve for

    The perimeter of the large pentagon is 50 cm.

Question number: 180

Edit

Short Answer Question▾

Write in Short

A website is selling packages of Helium confetti Balloons for Rs. 60, but mentions that they original cost Rs. 80. What is the discount percentage?

Explanation

The percent of change formula can be used to find percent of discount.

Write the number as a percent.

The percentage of discount is 25%.

Choose Paper