Divide 20 pens between Sheela and Sangeeta In the ratio of 3 : 2.

Mother wants to divide Rs.36 between her daughters Shreya and Bhoomika in the ratio of their ages. If age of Shreya is 15 yr and age of Bhoomika is 12 yr find, how much Shreya and Bhoomika will get.

If in a stationary shop, the ratio of sales of pens and pencils is same as the ratio of sales of scales and erasors. When the number of pens, pencils and scales sold in a day is 20,15,8 and 6, respectively. Then, find the number of erasors sold.

In a club having 100 members, 20 play carom, 24 play table tennis, 16 play badminton and the remaining do not play any game (no member plays more than one game). Find the ratio of the number of members who play
(a) carom to the numbers of those, who play table tennis.
(b) badminton to the number of those, who play carom.
(c) table tennis to the number of those, who play badminton.
(d) badminton to the number of those, who do not play any game.

Ritu wants to divide Rs 300 between his two sons Amit and Nitin in the ratio of their ages. If the age of Amit is 12 yr and that of Nitin is 8 yr. Find the share of each.

Reena earns Rs. 90000 and save Rs.30000. Find the ratio of the money she earns to the money she saves. Mention the value you depict from this.

In an aquarium, the number of star fish to the number of gold fish was 1.5 : 2.5. There were 30 gold fish. After some of the star fish died, the ratio became 0.5 :1.5. How many star fish died?

In a book shelf, the number of books on Social Studies to the number of books on Economics is 7 : 11, whereas the number of books on Economics to the number of books on Mathematics is 22 : 19. What is ratio of the number of Social Studies books to the Mathematics books?

An alloy contains only zinc and copper and they are in the ratio of 7 : 9. If the weight of the alloy is 8kg, then find the weight of copper in the alloy.

Prepare five similar problems and ask your friends to solve them.
Five similar problems are as follows:
1. Meenu purchased 2 handkerchiefs for Rs. 30. Find the cost of one handkerchief.
2. The cost of 3 kg rice is Rs. 600. Find the cost of 1kg rice.
3. The cost of 5 combs is Rs. 30. Find the cost of 1 comb.
4. The cost of 12 envelopes is Rs. 60. Find the cost of 1envelope.
5. The cost of 8postcards is Rs. 8. Find the cost of 1postcard.