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.
Find the total staff in B.
Correct Answer :
90
Solution :
Correct Answer: Option 90
Let us break down the given information step-by-step to find the total staff in College B.
Let the number of lab assistants and professors in colleges A, B, and C be represented as follows:
- College A: (lab assistants) and (professors)
- College B: (lab assistants) and (professors)
- College C: (lab assistants) and (professors)
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:
Step 2: Find the number of lab assistants and professors in College C.
We know that in College C, the total number of lab assistants is 6 less than the total number of professors:
(or )
Using the total staff equation for College C:
Substitute in the equation:
Now, find the number of professors in College C:
Step 3: Find the number of lab assistants in College B and professors in College A.
The number of lab assistants in B is 4 more than that in C:
The number of professors in A is 44 less than the lab assistants in B:
Step 4: Find the number of professors in College B.
The total number of professors in all three colleges is 102:
Substitute the values of and :
Step 5: Calculate the total staff in College B.
The total staff in College B is the sum of its lab assistants and professors:
Thus, the total staff in B is 90.
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