Answer:
27
Step-by-step explanation:
The actual mean is 27.008333333333, round that as you will.
Answer: 
Step-by-step explanation:
Given
Raju buy an old car for 
He spent
on its repair
The selling price of the car 
So, the cost price is

Here, 
Gain percent is

On 5, the answer would be Area equals base plus base squared divided by two times by height I believe.