Read the information and answer the following question given below.
The information is about the staffs (lab assistant and professor) in three colleges.
For A – total lab assistant and total professor is 82.
For B – total lab assistant is 4 more than total lab assistant in C.
For C – total lab assistant is 6 less than total professor
Note – total professor in A is 44 less than total lab assistant in B.
Total staffs in C is 24 more than that in A and total professor in al the college is 102.
Total professor in A is what percentage of total staff in B.
Correct Answer :
11.11%
Solution :
The correct answer is 11.11%.
Let the number of lab assistants in colleges A, B, and C be represented by , , and , and the number of professors be represented by , , and respectively.
From the given information, we can set up the following steps to find the values:
Step 1: Find the total staff in college C
We are given that the total staff (lab assistants + professors) in college A is 82:
The total staff in college C is 24 more than that in college A:
So,
Step 2: Find the number of lab assistants and professors in college C
For college C, the total lab assistants is 6 less than the total professors:
⇒
Substituting this value into the total staff equation for C:
Therefore, the number of professors in college C is:
Step 3: Find the number of lab assistants in college B
The lab assistants in college B is 4 more than the lab assistants in C:
Step 4: Find the number of professors in college A
The number of professors in college A is 44 less than the lab assistants in college B:
Step 5: Find the number of professors in college B
The total number of professors in all three colleges is 102:
Substituting the known values:
Step 6: Find the total staff in college B
The total staff in college B is the sum of its lab assistants and professors:
Step 7: Calculate the required percentage
We need to find what percentage of the total staff in B is the total professors in A:
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