a sum is taken for two years at 16% p. a. if interest is compounded after every three months , the number of times for which interest is charged is in two years

true? is that what you're asking or do you mean something else?

answer: i guess 5 units?

step-by-step explanation:

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

ya