Question

teena borrowed 5000from meena at 8% per annum interest she returned the money after 146 days whatinterest did shepay

Answer 1

8% per anum = 8% for 365 days
then for 146 days, 
365days---------8%
146days---------?

(146*8)/365 = 3.2% is the interest she paid

then total amaount paid after 146 days is
5000+(5000*3.2)/100 = 5000 + 160 = Rs 5160