A man sold 10 eggs for 5 rupees and gained 20%. How many eggs did he buy for 5 rupees?	Choose the correct answer
A) 10 eggs  B) 12 eggs  C) 14 eggs  D) 16 eggs  E) None of these
S.P. for 1 egg = 5⁄10 = 1⁄2   ∴ C.P. for 1 egg = 100/(100+20)×12=512   ⇒ He bought 12 eggs for 5 rupees.   Answer 12 eggs
<result>B</result>
A man sold 10 eggs for 5 rupees and gained 20%. How many eggs did he buy for 5 rupees?