Answer:
55 Rs.
Step-by-step explanation:
cost of the milk:
15.5 x 30 = 465 Rs.
Gross sales of the milk:
26 x 20 = 520 Rs.
Profit:
520 - 465 = 55 Rs.
The answer is C, because to find IQR you have to find the difference (subtract) of the first and third quartile
ANSWER

EXPLANATION
The volume of the cone is

The height of the is 6 inches.
We put the values into the volume of cone to get.


Divide through by 2π.

The expression on the LHS is a perfect square trinomial.


-7/16 - 1/4 - 5/16
1. -7/16 - 4x1/4x4 - 5/16
2. -(7/16 + 4/16 + 5/16)
3. -7 + 4 + 5/16
that will add up to be 16/16 then cancel them out and you get for your answer -1