70003

Question

P, Q and R stand for three different numbers.

The average of P and Q is 64.

The average of Q and R is 50.

P + Q + R = 150

Calculate the values of P, Q and R.

Worked Solution

Test each statement:
Average P + Q2\dfrac{\text{P + Q}}{2} = 64
P + Q = 128

∴\therefore Eliminate first and second option:
Average Q + R2\dfrac{\text{Q + R}}{2} = 50
Q + R = 100

∴\therefore Eliminate third option

=> {{{correctAnswer}}}

Variant 0

DifficultyLevel

652

Question

P, Q and R stand for three different numbers.

The average of P and Q is 64.

The average of Q and R is 50.

P + Q + R = 150

Calculate the values of P, Q and R.

Worked Solution

Test each statement:
Average P + Q2\dfrac{\text{P + Q}}{2} = 64
P + Q = 128

∴\therefore Eliminate first and second option:
Average Q + R2\dfrac{\text{Q + R}}{2} = 50
Q + R = 100

∴\therefore Eliminate third option

=> P = 50, Q = 78, R = 22

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
correctAnswer
P = 50, Q = 78, R = 22

Answers

Is Correct?Answer
x

P = 78, Q = 22, R = 50

x

P = 22, Q = 50, R = 78

x

P = 78, Q = 50, R = 22

✓

P = 50, Q = 78, R = 22

Tags

  • staging_suejones