For the following questions answer them individually
A chord of length 16 cm is drawn in a circle of radius 10 cm. The distance of the chord from the centre of the circle is
A can do a work in 12 days while B can do it in 15 days. They undertake to complete it together for Rs. 450. what will be the share of A in this amount of money ?
If in ΔABC, DE ||BC, AB = 7.5cm, BD = 6cm and DE = 2cm, then the length of BC in cm is :
If $$\frac{cos\theta}{1-sin\theta}+\frac{cos\theta}{1+sin\theta}=4$$ then the value of $$\theta(0<\theta<90^{\circ})$$Â is
A sum of Rs. 2000 amounts to Rs. 4000 in two years at compound interest. In how many years does the same amount becomes Rs. 8000.
