Number, Raph12-25/26

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

569

Question

Sarah buys a bread roll for 75 cents.

She pays the exact amount with 4 coins.

Which coin was not used to pay for the bread roll?

Worked Solution

4 coins that total exactly 75 cents:

1 x 50 cent = 50 cents

2 x 10 cent = 20 cents

1 x 5 cent = 5 cents

∴\therefore A 20 cent coin was not used.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Sarah buys a bread roll for 75 cents. She pays the exact amount with 4 coins. Which coin was **not** used to pay for the bread roll?
workedSolution
4 coins that total exactly 75 cents: 1 x 50 cent = 50 cents 2 x 10 cent = 20 cents 1 x 5 cent = 5 cents $\therefore$ A {{{correctAnswer}}} coin was not used.
correctAnswer
20 cent

Answers

Is Correct?Answer
x

50 cent

✓

20 cent

x

10 cent

x

5 cent

Variant 1

DifficultyLevel

573

Question

Robert buys a drink that costs $1.15.

He has 4 coins in his man-bag and uses them all to pay the exact amount.

Which coin could not be in his man-bag?

Worked Solution

Combination 1: 1 x $1, 3 x 5 cents

Combination 2: 2 x 50 cent, 1 x 10 cent, 1 x 5 cent

∴\therefore A 20 cent coin could not be in his man-bag.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Robert buys a drink that costs $1.15. He has 4 coins in his man-bag and uses them all to pay the exact amount. Which coin could **not** be in his man-bag?
workedSolution
Combination 1: 1 x $1, 3 x 5 cents Combination 2: 2 x 50 cent, 1 x 10 cent, 1 x 5 cent $\therefore$ A {{{correctAnswer}}} coin could not be in his man-bag.
correctAnswer
20 cent

Answers

Is Correct?Answer
x

$1

x

50 cent

✓

20 cent

x

5 cent

Tags