The Total solution for NCERT class 6-12
Answer - 31 : -
A firm makes items A and B andthe total number of items it can make in a day is 24. It takes one hour to makean item of A and half an hour to make an item B. The maximum time available perday is 16 hours. The profit on an item of A is Rs 300 and on one item of B isRs 160. How many items of each type should be produced to maximize the profit?Solve the problem graphically.
Answer - 32 : -
Answer - 33 : -
Answer - 34 : -
Amanufacturer makes two products, A and B. Product A sells at Rs. 200each and takes ½ hour to make. Product B sells at Rs.300each and takes 1 hour to make. There is a permanent order for 14 units ofproduct A and 16 units of product B. A working week consist of 40 hours ofproduction and the weekly turn over must not be less than Rs. 1000.If the profit on each of product A is Rs. 20 and an product B is Rs. 30,then how many of each should be produced so that the profit is maximum? Alsofind the maximum profit.
Answer - 35 : -
If ayoung man drives his vehicle at 25 km/hr, he has to spend Rs. 2per km on petrol. If he drives is at a faster speed of 40 km/hr, the petrolcost increases to Rs. 5/per km. He has Rs. 100to spend on petrol and travel within one hour. Express this as an LPP solve thesame.
Answer - 36 : -
Answer - 37 : -
Answer - 38 : -
Answer - 39 : -
A factory makes tennis racketsand cricket bats A tennis racket takes 1.5 hours of machine time and 3 hours ofcraftman’s time in its making while a cricket bat takes 3 hours of machine timeand 1 hour of craftman’s time. In a day, the factory has the availability ofnot more than 42 hour of machine time and 24 hours of craftman’s time. If theprofit on racket and on a bat is Rs 20 and Rs 10 respectively, find the numberof tennis rackets and cricket bats that the factory must manufacture to earnthe maximum profit. Make it as an LPP and solve itgraphically.
Answer - 40 : -