A company increases every salary of an officer by 20%. His salary in the year 2001 was Tk. 26, What was his salary in 1999?
সমাধান
সঠিক উত্তর: Option C
Let his salary in 1999 be x.
In 2000, his salary increased into= 1.2x
In, 2001, his salary increased into= 1.2 * 1.2x
= 1.44x
Now,
1.44x = 26640 tk
or, x = 26640/1.44 tk
= 18,500 tk
