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9. Construct a regular hexagon having a side 6cm by calculating its interior angle.<br />
10. The ratio of length, breadth and height of a cuboid is 3:2:1, if the volume of the cuboid is 48 m 3 , find<br />
the base area of the cuboid.<br />
11. Draw a triangle ABC with vertices A(6, 6), B(3, 4)and C(6, 2) on a graph paper and reflect it on<br />
x-axis. Also shade the image so formed and write down the co-ordinates of the vertices.<br />
12. If x + & ! = 4, then find the value of (i) x! + " # ' (ii) x( + 1 x 4<br />
13. 15 men can do a piece of work in 80 days. How many days before the work will be<br />
completed if 10 men are added ?<br />
14. Find the value of y, z, p and q:<br />
15. If the interest of Rs 4000 in 5 years is Rs 2400, what is the interest of Rs 5000 in 3 years at the same<br />
rate of interest ?<br />
16. Find the arithmetic mean of given data.<br />
Obtained<br />
marks<br />
No. of<br />
students<br />
15 25 30 40 45 50<br />
3 8 5 6 4 2<br />
Group:D [2x5=10]<br />
17. Find the volume of the combined solid :<br />
18. A bought 50 glasses for Rs 1500. Out of which 10 were broken. If he sold the rest of the glasses at<br />
Rs 40 each, how much profit or loss percentage did he bear ?
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