The average of 5 terms is 15. If the first 4 terms are 12, 17, 23 and 8, what will be the fifth term?  Company Name   Demand  (no. of items)   Production   (no. of items)  Company A 3500 1500 Company B 500 2000 Company C 2500 1000 Company D 1000 3500 How many extra number of items did company B produce over and above the number of items demanded from it?

2500 2000 500 1500

1500

Number of items produced from company B = 2000 Number of items demand from company B = 500  Difference b/w produced and demanded items of company B = 2000 - 500 = 1500