1. What is the cube root of 512?

2. What is the cube root of -343?

3. What are the measures of arcs formed if a length 19cm chord is drawn inside a radius 5cm circle?

4. P = Rs 2500, R= 8 p.c.p.a., N= 2 years. What is the compound interest and amount?

5. What is the marked price of a floor spread bought for Rs. 760 at 5% discount?

6. What is the discount per cent of a camera of printed price Rs 1400 sold for Rs 1316?

7. Factorize x

^{2}– 2x – 998. Factorize 3p

^{2}– 10p – 259. Factorize 125x

^{3}– 216y^{3}10. Factorize 128 + 2x

^{3}11. How much money is got after paying 1.5% commission on 125 quintal potatoes sold at Rs1000 p.q.?