Each exterior angle of a regular polygon measures 9°. How many sides does the polygon have?

Hema takes a total of 9 hours 55 min to walk a certain distance and then cycling back to the same place from where she had started. She could walk both ways in 12 hours 30 min. The time she will take to cycle both ways is:

Find the HCF of 3341 and 3328.

The cash difference between the selling price of an article at a profit of 8 % and 12 % is Rs 3. The ratio of two selling prices is:

Ms. Deksha borrow Rs. 575 at 5 % per annum simple interest. What amount (in rupees) will she pay to clear her debt after 4 years?

Mr. Sathya invested money in FD. How much will he get on maturity, if Rs. 14,500 is invested at 20 % per annum compound interest for 6 months, compounded quarterly

If the product of two numbers is 4941 and their LCM is 81, then their HCF is:

Mr. Dev sold a bus for Rs. 2210 with a loss of 15 %. At what price should the bus be sold to get a profit ot 15 %?