1. Simplify: 2/3 + 4/9 x 7 ½ + 9948/49 x 245.

2. Simplify:  21/25 divided by 9/20 x 5/12 divided by 10/17.

3. Simplify: (i)5 x 5 minus 5                      (ii)5 divided by 1/5

4. Simplify: 10 – [41 – {28 + (12 – 3 – 1 )}]

5. Simplify: (i)3.732 x 3.732 minus 1.732 x 1.732                      (ii) 3.732 plus 1.732

6. Simplify: 1.5 + 0.4 (2 – 0.5) + 0.1 + 0.4

7. Simplify: 7/8 of 32/63 + 5/6 divided by 9/16.

8. If 1/3.718 = 0.2689, then 1/0.0003718 = ?

9. The area of a square is 4 hectares. Find the length of its side.

10. A house site is in the shape of a square. Its area is 1225 sq. metres. What is its perimeter?

11. The area of a square field is 7396 sq. metres. Find its perimeter?

12. The length and breadth of a rectangular field are in the ratio 4:3. The area of the field is 1 hectare 2288 sq. mts. Find the length and breadth of the field.

13. The length and breadth of a rectangular field are in the ratio 5:3. The area of the field is 1 hectare 3500 sq. mts. Find its perimeter.

14. A field is rectangular in shape and its length is 11/2 times its breadth. If its area is 2.4576 hectares, what is its perimeter?

15. A sum of Rs. 1728 is distributed equally among some persons and each got 11/3 times as many rupees as there are persons. Find the number of persons?

16. A man left 1/3 rd of his property to his wife and 3/5 th of the remainder to his daughter. He gave the rest to his son who received Rs. 6400/-. How much was his original property worth?

17. In a school 4/9 of the pupils are boys. There are 125 girls. How many boys are there?