Welcome to your 08 math

1. 
Find the shaded area
2. 
If the radius of the circle below is four centimeters, what is the area of the unshaded region? (Use π = 3.14)
3. 
The original price of a washing machine which was bought for ₹13,500 inclusive of 8% VAT is
4. 
What percent is 54 minutes of 2 hours?
5. 
One’s place digit in the cube of 623 is
6. 
The volume of a cube whose edge is 3x is
7. 
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.
8. 
The dimensions of a godown are 60 m, 25 m and 15 m. If it is filled with cuboid boxes each of dimensions 2 m x 2.5 m x 3 m, then the number of boxes will be
9. 
The following figure is the figure of a rectangular roof tent and its both triangular parts are open. Find the area of both triangular parts of the figure if base of the each triangular part is 5 cm long.
10. 
Which of the following numbers is not a perfect cube?
11. 
There is a circular pond and a footpath runs along its boundary. A person walks around it, exactly once keeping close to the edge. If his step is 44 cm long and he takes exactly 400 steps to go around the pond, then find the diameter of the pond.
12. 
Find the breadth of a rectangle if square and rectangle are made by same length of wire and side of the square is 12 cm and length of the rectangle is 18 cm.
13. 
A bought a tape recorder for ₹8,000 and sold it to B. B in turn sold it to C, each earning a profit of 20%. Which of the following is true:
14. 
If one member of a pythagorean triplet is 2m, then the other two members are
15. 
Two cubes have volumes in the ratio 1:64. The ratio of the area of a face of first cube to that of the other is
16. 
What is the area of the rhombus ABCD below, if AC = 12 cm and BE = 8 cm?
17. 
To gain 25% after allowing a discount of 10%, the shopkeeper must mark the price of the article which costs him ₹360 as
18. 
36 unit squares are joined to form a rectangle with the least perimeter. Perimeter of the rectangle is :
19. 
The cube of a number x is 25 times of x then value of x is:
20. 
72% of 25 students are good at mathematics. How many students are not good at it?