The average life span of RBC is 120 days. Write the places where RBC is produced and destroyed ?

The average life span of RBC is 120 days. Name respiratory pigment in Human RBC.

The total turnover of a shop for 6 days is Rs. 360 . What is the average turnover for a day? If we write t for the total turnover in n days and a for the average turnover per day, how do we write the relation connecting t, n and a ?

A factory produces three items P,Q and R at two plants A and B . The number of items produced and operating costs per hour is as follows: It is desired to produce at least 500 items of type P , at least 400 items of type Q and 300 items of type R per day. Write the objective function and constraints.

Biogas is a terminology that we hear in our day to day life. Name the gases produced in biogas plant.