Question
Average age of company A is 21 years and average age of
both companies A and B is 13 years. If the ratio of number of employees in company A and B is 3:8, then what is the average age of company B?Solution
Given Data: Average age of company A = 21 years Average age of both companies A and B = 13 years Ratio of employees in A : B = 3:8 Assume Number of Employees Let = Employees in A = 3x and Employees in B = 8x Find Total Age Contributions Total age sum of A = 21×3x=63x Total age sum of B = y×8x (where y is the average age of B) The combined average formula is: 
Solve for y Multiply both sides by 11x:
63x+8xy = 143x Cancel x: 63+8y = 143 8y = 80 y = 10 The average age of company B is 10 years.
What technology is utilized by FASTag to facilitate automatic toll payments?
Which of the following cube in the answer figure CANNOT be made based on the unfolded cube in the question figure?
The first Chairman of Finance commission was
Which statement among the following is incorrect regarding the geographical description of Uttarakhand?
RBI Banking Ombudsman Office for Centralised Receipt and Processing Centre is located in ____________.
Who is the author of the book The Golden House?
Consider the following statements:
1. The design of the National Flag was adopted by the Constituent Assembly of India on 22 July 1947.
2....
When is International Labour Day observed?
ऊंट की खाल पर चित्रांकन किस कला शैली की विषेषता है?
Recently Supreme Court approved establishment of some special courts to prosecute criminal cases against legislators within a year. The number of courts...
Relevant for Exams:
