Top 10 math (1.6)

1. The perimeter of a regular pentagon is 1540cm. How long is its each side?

2. Length of a rectangular field is 6 times its breadth. If the length of the field is 120cm, find the breadth and perimeter of the field.

3. How many square slabs each with side 90cm are needed to cover a floor of area 81sqm.

4. The perimeter of a rectangle is 40m. The length of the rectangle is 4 m less than 5 times its breadth. Find the length of the rectangle.

5. The sum of two consecutive multiples of 2 is 18. Find the numbers.

6. In a class of 60 students, the number of girls is one third the number of boys. Find the number of girls and boys in the class

7. The cost of a flower vase got increased by 12%. If the current cost is 896, what was its original cost?

8. A man travelled 60 km by car and 240 km by train. Find what percent of total journey did he travel by car and what per cent by train?

9. Ajeet had taken certain amount as a lone for 4 year at rate of 14% per annum and he return 1700 to bank. Find the lone taken by Ajeet?

10. If we increase the radius of circle by 5% what percent area will change?  

                                                       

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