Find the mean proportional of 0.75 and 3.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 1.5.
Concept used:
Mean proportion of a and b, x = √ab
Calculation:
Let the mean proportion of 0.75 and 3 is x.
According to the question;
⇒ x = √(0.75 × 3)
⇒ x = √(2.25)
⇒ x = 1.5