Skill Rack
Daily MCQ Answer and Solution
Date : 08/05/2019
REFID: 40091
The average of 5 numbers is 65. The average of the first two numbers is 81 and the average of the last two numbers is 38. What is the third number?
Answer : 87
Solution :
the total for 5 numbers = 65x5=325
total for first two numbers=81x2=162
total for last two numbers=38x2=76
hence third number = 325-(162+76)=87
No comments:
Post a Comment