For the following questions answer them individually
The cost price of an article is 64% of the marked price. Calculate the gain percentage after allowing a discount of 20%.
There is a cone with diameter 14 cm and height 12 cm. It is being filled with water at a rate of 4 cm$$^3$$ in every 10s. How long will 1t take to fill the cone?(Use $$\pi = \frac{22}{7}$$)
A boat is moving in still water at a speed of 15 km/h. The speed of the stream is 3 km/h. How much time will the boat take to cover 6 km upstream?
Two persons P and Q working together can do a piece of work in 36 days. Q alone can do it in 45 days. Q alone start the work and left the work after 5 days. How many days will P take to complete the remaining work?
Find the difference between the digits of the greatest number that can exactly divide 144 and 216?
Shlok drives the first 140 km in 3 hrs and the next 180 km in 5 hrs. What is his average speed (in km/h) for the entire trip?
Marked price of an article is Rs. 1600 but Rohan gets a discount of 20 percent. He sells the article for Rs. 1600. Rohan's gain percent is:
Divide ₹ 5,309 between A and B, so that the amount of A after 4 years is equal to the amount B after 6 years, the interest being compounded at 6% per annum, compounding annually.
A man sells rice at 10% profit and uses a weight that is 20% less than the actual measure. His gain percentage is: