For the following questions answer them individually
The value of $$\left(2\frac{6}{7} of 4\frac{1}{5} \div \frac{2}{3}\right) \times 5\frac{1}{9} \div \left(\frac{3}{4} \times 2\frac{2}{3} of \frac{1}{2} \div \frac{1}{4}\right)$$ is:
Two pipes can fill a cistern in 12 and 15 hours, respectively, while a third pipe can empty it in 24 hours. If all the pipes are opened simultaneously, in how much time (in hours and to the nearest minute), will the cistern be filled?
A student travelled a distance of 30 km in 3 hours, partly on foot at a speed of 4 km/h and the remaining on a bicycle at a speed of 12 km/h. The ratio of the distance travelled on foot and that travelled on the bicycle is:
Sazia's income is 20% less than that of Rehana. Rehana's income is more than that of Sazia by:
Four friends A, B, C and D made investments in a business in the ratio 3 : 7 : 9 : 13, respectively. If the share of the profit of C is ₹8,910, then what is the total share of the profits of A and B?
Walking at $$\frac{3}{4}$$ of his usual speed. a man covers a certain distance in 1 hour and 40 minutes more than the time he takes to cover the distance at his usual speed. The time taken (in hours) by him to cover the same distance at his usual speed is:
A rectangular park 14 m long, 8 m wide is surrounded by a path 1 m wide. What is the area of the path?
Sumer bought 6 chairs at the rate of ₹800 per chair and a table for ₹1,200. He sold all the chairs and the table for ₹7,200. What is his gain percentage?