For the following questions answer them individually
One year ago the ratio of the ages of two sister was 2 : 3. The sum of their present ages is 12. What are their ages now?
If $$\frac{cos\theta}{1-sin\theta}$$-$$\frac{cos\theta}{1+sin\theta}$$=2 find the value of $$\theta$$ where $$\theta$$ is acute
From a cloth of 30 m long, 12 bits each measuring 225 cm are cut and sold. What fraction of the original length remains?
P is 30% more efficient than Q. If P alone can do some work in 20 days, then how long will Qalone take to do it?
Ages of Sundar and Seema are in the ratio 5 : 4. Three years hence, the ratio of their ages will become 11 : 9. What is Seema's present age?
