5. A sum borrowed under compound interest doubles itself in 10 years. When will it
become four fold of itself at the same rate of interest?
(A) 15 years
(B) 20 years
(C) 24 years
(D) 40 years
()Ans (B)
Bạn đang xem 5. - TÀI LIỆU TEST OF MATHEMATICAL APTITUDE MBA, RRB DOC