1.

ta invested some money which doubles in 7 years 6 months: In how many years i triplesGeeta iitself?triples

Answer»

7years 6months= 12x7 + 6 = 90monthsSo doubles in 90monthsand triples in let x monthsthus for tripling:90/2 = x/3x = 135months

135months is 11 years 3months.



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