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

## Question 224

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Short Answer▾

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

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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

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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

Short Answer▾

Work out

i.

ii.

## Question 228

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Simplify the following expressions.

Here given the

## Question 229

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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

## Question 230

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Short Answer▾

Work out

Writing down

Your full calculator display,

Here given the

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