For the following questions answer them individually
A rectangular ground 90m long and 42 m wide has two cross roads in its centre. The road parallel to the length is 7 m wide and the other road is 3 m wide, both roads are perpendicular to each other. The cost of laying the bricks at the rate of Rs.25 per m$$^2$$, on the roads, will be:
The cost price of 20 balls is the same as the selling price of 18 balls. Find the profit percentage.
The single discount equivalent to the successive discounts of 30 percent, 15 percent and 5 percent is:
In what time will ₹6,750 amount to ₹8,984.25 at the interest rate of 20% per annum, compounded half yearly?
Anand with his family travelled from Guntur to Rajahmundry by car at a speed of 50 km/h and returned to Guntur at a speed of 60 km/h. The average speed for the whole journey is: (Consider up to two decimal places)
The price of 2 tables is equal to the price of 5 chairs. If price of a chair is Rs. 500, then what is the average price of 6 tables and 9 chairs?
If Ram bought 15 shirts of ₹520 each, 20 pants of ₹600 each and 15 kurtas at ₹650 each, then the average value of each article is:
The ratio of alcohol to water in three types of drugs of equal quantity is 2 : 5, 5 : 9 and 8 : 13 respectively. Equal quantity of all the three drugs is mixed. Find the ratio of alcohol to water after mixing.