IGCSE Mathematics Paper-1: Specimen Questions with Answers 224 - 230 of 324

Question 224

Edit

Write in Short

Sahin and Abita measure their heights.

Sahin՚s height is 178 cm and Abita՚s height is 189 cm, both correct to the nearest centimeter.

Find the greatest possible difference between their heights.

Explanation

• Here given the Sahin՚s height is 178 cm and Abita՚s height is 189 cm
• And both correct to the nearest centimeter is

Question 225

Write in Short

The temperature at sunrise in Berne on the seven days of one week were:

Explanation

• Here find the mode of the seven temperatures
• The mode is the number that is repeated most often.
• So, 2 is the mode because Tuesday and Friday temperature is

Question 226

Edit

Write in Short

Write 0.000496 in standard form.

Explanation

it՚s because the decimal point has been moved 4 places to the right to get the number to be 4.96

Work out

i.

ii.

Question 228

Write in Short

Simplify the following expressions.

Here given the

Question 229

Edit

Write in Short

List all the factors of 60.

Write down the prime factors of 60. (1 is not a prime number.)

Explanation

• Which can also be written

Work out

Writing down