Algebra, NAP_700031

Question

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Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

525

Question

If the average of 5, 12, 19 and p\large p is 12, then 5 + 12 + 19 + p\large p = ?

Worked Solution

If the average of 5, 12, 19 and p\large p is 12, then

5+12+19+p4\dfrac{5 + 12 + 19 +\large p }{4} = 12
5 + 12 + 19 + p\large p = 12 ×\times 4

∴\therefore 5 + 12 + 19 + p\large p = 48

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
If the average of 5, 12, 19 and $\large p$ is 12, then 5 + 12 + 19 + $\large p$ = ?
workedSolution
If the average of 5, 12, 19 and $\large p$ is 12, then
>>||| |-|-| |$\dfrac{5 + 12 + 19 +\large p }{4}$|= 12| |5 + 12 + 19 + $\large p$|= 12 $\times$ 4|

>>$\therefore$ 5 + 12 + 19 + $\large p$ = {{{correctAnswer}}}
correctAnswer
48

Answers

Is Correct?Answer
x

12

✓

48

x

42

x

24

Variant 1

DifficultyLevel

527

Question

If the average of 9, 17, 21 and a\large a is 18, then 9 + 17 + 21 + a\large a = ?

Worked Solution

If the average of 9, 17, 21 and a\large a is 18, then

9+17+21+a4\dfrac{9 + 17 + 21 + \large a}{4} = 18
9 + 17 + 21 + a\large a = 18 ×\times 4

∴\therefore 9 + 17 + 21 + a\large a = 72

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
If the average of 9, 17, 21 and $\large a$ is 18, then 9 + 17 + 21 + $\large a$ = ?
workedSolution
If the average of 9, 17, 21 and $\large a$ is 18, then
>>||| |-|-| |$\dfrac{9 + 17 + 21 + \large a}{4}$|= 18| |9 + 17 + 21 + $\large a$|= 18 $\times$ 4|

>>$\therefore$ 9 + 17 + 21 + $\large a$ = {{{correctAnswer}}}
correctAnswer
72

Answers

Is Correct?Answer
x

18

x

25

x

36

✓

72

Variant 2

DifficultyLevel

529

Question

If the average of 7, 15, 17 and q\large q is 14, then 7 + 15 + 17 + q\large q = ?

Worked Solution

If the average of 7, 15, 17 and q\large q is 14, then

7+15+17+q4\dfrac{7 + 15 + 17 +\large q }{4} = 14
7 + 15 + 17 + q\large q = 14 ×\times 4

∴\therefore 7 + 15 + 17 + q\large q = 56

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
If the average of 7, 15, 17 and $\large q$ is 14, then 7 + 15 + 17 + $\large q$ = ?
workedSolution
If the average of 7, 15, 17 and $\large q$ is 14, then
>>||| |-|-| |$\dfrac{7 + 15 + 17 +\large q }{4}$|= 14| |7 + 15 + 17 + $\large q$|= 14 $\times$ 4|

>>$\therefore$ 7 + 15 + 17 + $\large q$ = {{{correctAnswer}}}
correctAnswer
56

Answers

Is Correct?Answer
✓

56

x

28

x

14

x

3.5

Tags

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