Fatima wants to mail three parcels to three village schools. She finds that the postal charges are Rs 20, Rs 28 and Rs 36, respectively. If she wants to buy stamps only of one denomination, what is the greatest denomination of stamps she must buy to mail the three parcels?

Miss Sumitha has three drumsticks in her kitchen which are 72 cm ,90 cm and 84 cm, respectively. She wanted to cut them into equal size of pieces. Find the minimum number of pieces that she can cut.

Arun and Varun were in partnership sharing profits in the ratio of 2 : 3. With effect from 1st May 2016 they agreed to share profits in the ratio of 1 : 2. For this purpose the goodwill of the firm is to be valued at two year's purchase of the average profits of last three years, which were Rs. 1,50,000, Rs. 1,40,000 and Rs. 2,20,000 respectively. Reserves appear in the books at Rs. 1,10,000. Partners do not want to distribute the reserves. You are required to give effect to the change by passing a single journal entry.

Shireen has Rs 89 and wants to buy some rings.If one ring costs Rs 9, about how many rings can she buy?

Three men buy some oranges for Rs. 3, Rs. 5.25 and Rs. 6.75. What can be the maximum price of one orange?

(Manufacturing problem) A manufacturer has three machines I, II and III installed in his factory. Machines I and II are capable of being operated for at most 12 hours whereas machine HI must be operated for atleast 5 hours a day. She produces only two items M and N each requiring the use of all the three machines. The number of hours required for producing 1 unit of each of M and N on the three machines are given m the following table: She makes a profit of Rs 600 and Rs 400 on items M and N respectively. How many of each item should she produce so as to maximise her profit assuming that she can sell all the items that she produced? What will be the maximum profit?

A shopkeeper charges Rs.10 for every bottle of coke or Rs. 240 for every carat of 30 bottles. If Vandana wants to buy 185 bottle of coke, what amount she will have to pay?

Puja is a teller in a bank.She has the currency notes of denominations Rs 500, Rs 100 and Rs 50 respectively.The ratio of the number of these notes is 20:5:6 .The total cash with Puja is Rs 54000. The number of notes of Rs 100 is

A child has three different kinds of chocolates costing Rs. 2, Rs. 5 and Rs. 10. He spends total Rs. 120 on the chocolates. What is the minimum possible number of chocolates, he can buy, if there must be atleast one chocolate of each kind?