Correct Answer - Option 2 : 2pq – p
Given:
The average of two number is pq
One number is p.
Formula used:
Average = Sum of element/No. of element
Calculation:
Let the other number be r
Average of p and r = (p + r)/2
According to the question:
(p + r)/2 = pq
⇒ p + r = 2pq
⇒ r = 2pq – p
∴ The other number 2pq – p.
