For the following questions answer them individually
A sum of Rs 8000 is borrowed at compound interest at the rate of 7% per annum. What will be the amount (in Rs) after 2 years?
Cost price of a cooler is Rs 8400. If the profit percentage is 26%, then what is the selling price (in Rs) of the cooler?
On Selling a book at $$\frac{9}{14}$$ of the marked price there is loss of 10%. What will be the ratio of marked price and cost price of the book?
What is the positive square root of $$[25+4\sqrt{39}]$$ ?
Two pipes P and Q can fill an empty tank in 25 hours and 20 hours respectively. Pipe R alone can empty the completely filled tank in 50 hours. Firstly both the pipes P and Q are opened and after 8 hours pipe R is also opened. What will be the total time (in hours) taken to completely fill the tank?
Rohit crosses a 700 metres wide road in 35 seconds. What is his speed (in km/hr) ?
The pie chart shows the distribution of wealth between 7 children according to their father's will. Study the diagram and answer the following questions.
Which child got the least share of wealth according to the will?
What is the total wealth (in Rs lakhs) of the father which was distributed according to the will?
The measure of the central angle of the sector representing the share of wealth that D gets is ________ degrees.
If 40% wealth tax has to be paid on the wealth that each child receives then how much wealth tax (in Rs lakhs) does C have to pay?