1. At price Rs 7p.u. if 15 units are supplied, then at price Rs 10 p.u. ____________ units will be supplied. Options are(21,24, 41,31) 2. If the linear regression equation for trend line is Y=a +bX. The mean value of X and Y are 100 and 90 respectively. The value of b is 0.4. The value of intercept term will be___________. Options are(40,50,60,70). 3. If the aggregate demand of the product is 75,00units and number of consumers is 150, then average demand of the product is_____________Options are (500,600,700,800). 4. For a particular period, if the total revenue from sale of fans is Rs 2000 and from 11 fans arrived is Rs 2500 then in such case the marginal revenue from tte 11th fan is Rs ____________ Options are (100,200,300,500)