60001

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

566

Question

A school's chess club has 6 girls and 5 boys.

2 girls and some more boys then joined the club.

The number of boys in the club was now double the number of girls.

How many boys joined the club?

Worked Solution
Girls in club = 6 + 2
= 8

⇒\Rightarrow Total boys required = 2 ×\times 8
= 16

∴\therefore Boys that joined = 16 −- 5
= 11

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
A school's chess club has 6 girls and 5 boys. 2 girls and some more boys then joined the club. The number of boys in the club was now double the number of girls. How many boys joined the club?
workedSolution
| | | | --------------------: | -------------- | | Girls in club | = 6 + 2 | | | = 8 |

| | | | --------------------: | -------------- | | $\Rightarrow$ Total boys required | = 2 $\times$ 8 | | | = 16 |

| | | | --------------------: | -------------- | | $\therefore$ Boys that joined | = 16 $-$ 5 | | | = 11 |
correctAnswer
11

Answers

Is Correct?Answer
x

7

✓

11

x

13

x

16

Variant 1

DifficultyLevel

566

Question

A school's garden club has 4 girls and 6 boys.

Two boys and some girls then joined the club.

The number of girls in the club was now double the number of boys.

How many girls joined the club?

Worked Solution
Boys in club = 6 + 2
= 8

⇒\Rightarrow Total girls required = 2 ×\times 8
= 16

∴\therefore Girls that joined = 16 −- 4
= 12

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
A school's garden club has 4 girls and 6 boys. Two boys and some girls then joined the club. The number of girls in the club was now double the number of boys. How many girls joined the club?
workedSolution
| | | | --------------------: | -------------- | | Boys in club | = 6 + 2 | | | = 8 |

| | | | --------------------: | -------------- | | $\Rightarrow$ Total girls required | = 2 $\times$ 8 | | | = 16 |

| | | | --------------------: | -------------- | | $\therefore$ Girls that joined | = 16 $-$ 4 | | | = 12 |
correctAnswer
12

Answers

Is Correct?Answer
x

8

x

10

✓

12

x

16

Variant 2

DifficultyLevel

566

Question

A school's drama club has 7 girls and 9 boys.

4 girls and some boys then joined the club.

The number of boys in the club is now double the number of girls.

How many boys joined the club?

Worked Solution
Girls in club = 7 + 4
= 11
⇒ Total boys required = 2 ×\times 11
= 22
∴\therefore Boys that joined = 22 −- 9
= 13

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
A school's drama club has 7 girls and 9 boys. 4 girls and some boys then joined the club. The number of boys in the club is now double the number of girls. How many boys joined the club?
workedSolution
| | | | --------------------- | -------------- | | Girls in club | \= 7 + 4 | | | \= 11 |
| | | | --------------------- | -------------- | | ⇒ Total boys required | \= 2 $\times$ 11 | | | \= 22 |
| | | | --------------------- | -------------- | | $\therefore$ Boys that joined | \= 22 $-$ 9 | | | \= 13 |
correctAnswer
13

Answers

Is Correct?Answer
x

5

✓

13

x

17

x

22

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