Three brands A, B and C of biscuits are available in packets of 12, 15 and 21 biscuits respectively. If a shopkeepeer wants to buy an equal number of biscuits, of each brand, what is the minimum number of packets of each brand, he should buy?

Two brands of chocolates are available in packs of 24 and 15 respectively.If I need to buy an equal number of chocolates of both kinds,what is the least number of boxes of each kind I would need to buy?

The largest or greatest among common divisors of two or more integers is called the Greatest Common Divisor (GCD) or Highest Common Factor (H.C.F.) Two brands of chocolate are available in packs of 24 and 15 respectively. If I need to buy an equal number of chocolates of both kinds, then what is the least number of boxes of each kind I would need to buy?

In a bakery four types of biscuits are available. In how many ways a person can buy 10 biscuits if he decide to take at least one biscuit of each variety?

What is the respective ratio of the number of users of brand A in city P to the number of users of brand B in city S ?

A packet of plain biscuits costs ₹ 6 and that of choloate biscuits costs ₹ 9 . A house-wife has ₹ 72 and wants to buy at least three packets of plain biscuits and at least four of choloate biscuits.How many of each type should she buy so that she can have maximum number of packets?Make it as an LPP and solve it graphically.

A fanner mixes two brands P and Q of cattle feed. Brand P, costing Rs 250 per bag, contains 3 units of nutritional element A, 2.5 units of element B and 2 units of element C. Brand Q costing Rs 200 per bag contains 1.5 units of nutritional element A, 11.25 units of element B, and 3 units of element C. The minimum requirements of nutrients A, B and C are 18 units, 45 units and 24 units respectively. Determine the number of bags of each brand which should be mixed in order to produce a mixture having a minimum cost per bag? What is the minimum cost of the mixture per bag?

A farmer mixes two brands P and Q of cattle feed. Brand P costing Rs. 250 per bag, contains 3 units of nutritional element A, 2.5 units of element B and 2 units of element C. Brand Q costing Rs. 200 per bag contains 1.5 units of nutritonal element A, 11.25 units of element B and 3 units of element C. The minimum requirements of nutrients A,B and C are 18 units, 45 units and 24 units respectively. Determine the number of bags of each brand which should be mixed in order to produce a mixture having a minimum cost per bag? What is the minimum cost of the mixture per bag?