For the following questions answer them individually
A woman earns ₹ 1,000/day. After some weeks, she earns ₹1,160/day. By how much percentage did her earnings
increase?
If $$2x=\sin\theta$$ and $$\frac{2}{x}=\cos\theta$$, then the value of $$4\left(x^2+\frac{1}{x^2}\right)$$ is:
Suresh lent out a sum of money to Rakesh for 5 years at simple interest. At the end of 5 years, Rakesh paid 9/8 of the sum to Suresh to clear out the amount. Find the rate of simple interest per annum.
