Question

The mean proportional of the two positive numbers obtained by subtracting 77 from a positive number and adding 11 to the same number is 33. What is the number? (a) 154 (b) 143 (c) 121 (d) 99 (e) 88​

Answer 1

Answer:

option d) 99

Step-by-step explanation:

99-77=22

22+11 =33