The mean proportional between 2.8 and 0.7 is:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 1.4.
Mean Proportional between two numbers a and b = √(a × b)
Here, a = 2.8 and b = 0.7
Mean Proportional = √(2.8 × 0.7)
⇒ √(1.96) = 1.4