If the average of 7 , 13 , p , and q is 17 , what is the average of ( p +1) and (q -9) ?
If the average of 7 , 13 , p , and q is 17 , what is the average of ( p +1) and (q -9) ? Correct Answer 25
Average, 7 + 13 + p + q4 = 17Or, 20 + p + q = 68⇒p + q = 68 - 20∴p + q = 48 Again, average p + 11 + q + 92 = p + q + 22 = 48 + 22 = 25