Welcome to your 08 Math Free

1. 
The area of four walls of a room is 420 Square meter. If length of the room is double the breadth of the room and wall is 5 m high, Find length and breadth of the room?
2. 
Cube Root of 24389=
3. 
If x : 30 :: 7 : 5 then value of x is :
4. 
Three cubes of metal whose edges are 6 cm, 8 cm and 10 cm respectively, are melted to form a single cube. The edge of the new cube is
5. 
How much distance, in metres, a wheel of 25 cm radius will cover, if it rotates 560 times?
6. 
A wire is bent to form a square of side 44 cm. If the wire is rebent to form a circle, its radius is:
7. 
If the diagonal of a square is 40 m then its area will be :
8. 
The S.P. of 10 articles is the same as C.P. of 12 articles. Find the gain or loss percent.
9. 
10. 
If two ratios are equivalent, then the four quantities are said to be in ______.
11. 
Find the area enclosed in the figure.
12. 
Area of a right angled triangle is 30 sq cm. If its smallest side is 5 cm, then its hypotenuse is:
13. 
14. 
15. 
What is the least number, which should be subtracted from 1385 to get a perfect square?
16. 
Find the smallest number by which 9720 should be divided to get a perfect cube.
17. 
Express 0.45 m as a percentage of 3 m.
18. 
If a number has one zero at its end, then its cube will have _____ zeros at the end.
19. 
Express Rs. 0.56 as a percentage of Rs. 3.50
20. 
2209 students are sitting in an auditorium in such a manner that there are as many students in a row as the number of rows in the auditorium. How many rows are there in auditorium?