Welcome to your 08 Math Free

1. 
The least number by which 216 must be divided to make the result a perfect square, is
2. 
What percent is 120 of 90?
3. 
In a park of dimensions 20 m x 15 m, there is a L shaped 1 m wide flower bed as shown in the figure. Find the total cost of fertiliser for the flower bed at the rate of ₹ 50 per sq m.
4. 
What is the least number, which should be subtracted from 1385 to get a perfect square?
5. 
6. 
7. 
Find the least number of four digits that is a perfect square.
8. 
The area of a trapezium with equal non-parallel sides is 168 square m. If the lengths of the parallel sides are 36 m and 20 m, then find the length of the non-parallel side.
9. 
Find the smallest number by which 9720 should be multiplied to get a perfect square.
10. 
11. 
12. 
Number of digits in the square root of 625686734489 is:
13. 
Two cylinders of equal volume have heights in the ratio 1: 9. The ratio of their radii is_______
14. 
A PVR has a capacity of 4761 seats. If the number of rows is equal to the number of seats in each row, then find the number of seats in each row.
15. 
The cube of a number x is 25 times of x then value of x is:
16. 
Circumference of a circle is always :
17. 
The dimensions of a rectangular field are 8 m and 6 m. Find the length of its diagonal.
18. 
19. 
An English jeweler sold Rs. 35000 worth of jewels in one month (his ‘turnover’) and made a profit of Rs. 14000. What is his profit as a percentage of his turnover?
20.