For the following questions answer them individually
The value of $$\frac{\frac{1}{4}\div\frac{3}{4}(\frac{2}{5}-\frac{1}{3})}{1\frac{2}{3} \ of \ \frac{3}{4}-\frac{1}{4} \ of \ \frac{2}{3}}$$ is:
The value of $$\frac{5}{16}+\frac{3}{5}\times1\frac{7}{8}\div\frac{2}{3}-6\frac{1}{8}\div(5\frac{1}{4}\div\frac{3}{7} \ of \ \frac{1}{2}) \ of \ \frac{6}{7}$$ is:
The ratio of the number of boys and girls in a class is 5:7. The average weight of boys is 56 kg and that of girls is 50 kg. What is ihe average weight (in kg) of all the boys and girls in the class?
The average of 12 numbers is 25.5. The average of the first six numbers is 22.4 and that of the last three numbers is 28.2. The $$7^{th}$$ number is 5 less than the $$8^{th}$$ number but 10 less than the $$9^{th}$$ number. What is the average of the $$8^{th}$$ and $$9^{th}$$ numbers.
Study the given pie chart and answer the question that follows:
The pie chart shows the break-up of the total number of employees of a company in 2019, in five departments A, B, C, D and E.
Total number of employees - 4500
The average number of employees of the company in departments D and E is what percentage of the number of employees in department A (correct to one decimal place)?
Which of the following instruments is normally played in a vertical position and with an arched bow?