For the following questions answer them individually
In a bag, there are coins of 25 paise, 10 paise and 5 paise in the ratio of 1 : 2 : 3. If there are Rs.30 in all, how many 5 paise coins are there?
Find the value of $$sin\frac{7\pi}{4}$$ $$sin\frac{\pi}{4}$$ $$sin\frac{3\pi}{4}$$ $$sin\frac{5\pi}{4}$$
A watch is sold at 5% loss. If the cost price had been 20% more and selling price Rs.115 less, there would have been 40% loss. What is the cost price?
The underground water due to the hot rocks present inside the Earth ____________which can turn the turbines of generator to produce electricity.
70% of the employees in a firm are men. 30% of men and 20% of women employees opt for voluntary retirement. What is the percentage of the total number of employees continue in service?