RAPH12 Q33-34

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

541

Question

Which of the following expressions has the value closest to 15?

Worked Solution

Check each option:

6 23\dfrac{2}{3} + 7 13\dfrac{1}{3} = 14

7 14\dfrac{1}{4} + 8 14\dfrac{1}{4} = 15 12\dfrac{1}{2} ✓\checkmark

8 12\dfrac{1}{2} + 7 34\dfrac{3}{4} = 16 14\dfrac{1}{4}

7 12\dfrac{1}{2} + 8 14\dfrac{1}{4} = 15 34\dfrac{3}{4}

Therefore, the expression 7 14\dfrac{1}{4} + 8 14\dfrac{1}{4} has the value which is closest to 15.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Which of the following expressions has the value closest to 15?
workedSolution
Check each option: 6 $\dfrac{2}{3}$ + 7 $\dfrac{1}{3}$ = 14 7 $\dfrac{1}{4}$ + 8 $\dfrac{1}{4}$ = 15 $\dfrac{1}{2}$ $\checkmark$ 8 $\dfrac{1}{2}$ + 7 $\dfrac{3}{4}$ = 16 $\dfrac{1}{4}$ 7 $\dfrac{1}{2}$ + 8 $\dfrac{1}{4}$ = 15 $\dfrac{3}{4}$ Therefore, the expression 7 $\dfrac{1}{4}$ + 8 $\dfrac{1}{4}$ has the value which is closest to 15.
correctAnswer
7 $\dfrac{1}{4}$ + 8 $\dfrac{1}{4}$

Answers

Is Correct?Answer
x

6 23\dfrac{2}{3} + 7 13\dfrac{1}{3}

✓

7 14\dfrac{1}{4} + 8 14\dfrac{1}{4}

x

8 12\dfrac{1}{2} + 7 34\dfrac{3}{4}

x

7 12\dfrac{1}{2} + 8 14\dfrac{1}{4}

Variant 1

DifficultyLevel

544

Question

Which of the following expressions has the value closest to 9?

Worked Solution

Check each option:

5 23\dfrac{2}{3} + 4 13\dfrac{1}{3} = 10

6 14\dfrac{1}{4} + 3 12\dfrac{1}{2} = 9 34\dfrac{3}{4}

10 34\dfrac{3}{4} −- 1 14\dfrac{1}{4} = 9 12\dfrac{1}{2}

3 14\dfrac{1}{4} + 5 12\dfrac{1}{2} = 8 34\dfrac{3}{4} ✓\checkmark

∴\therefore 3 14\dfrac{1}{4} + 5 12\dfrac{1}{2} is closest to 9.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Which of the following expressions has the value closest to 9?
workedSolution
Check each option: 5 $\dfrac{2}{3}$ + 4 $\dfrac{1}{3}$ = 10 6 $\dfrac{1}{4}$ + 3 $\dfrac{1}{2}$ = 9 $\dfrac{3}{4}$ 10 $\dfrac{3}{4}$ $-$ 1 $\dfrac{1}{4}$ = 9 $\dfrac{1}{2}$ 3 $\dfrac{1}{4}$ + 5 $\dfrac{1}{2}$ = 8 $\dfrac{3}{4}$ $\checkmark$ $\therefore$ {{{correctAnswer}}} is closest to 9.
correctAnswer
3 $\dfrac{1}{4}$ + 5 $\dfrac{1}{2}$

Answers

Is Correct?Answer
x

5 23\dfrac{2}{3} + 4 13\dfrac{1}{3}

x

6 14\dfrac{1}{4} + 3 12\dfrac{1}{2}

x

10 34\dfrac{3}{4} −- 1 14\dfrac{1}{4}

✓

3 14\dfrac{1}{4} + 5 12\dfrac{1}{2}

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