১৯১২২
A students first reduced a number by 20% and then increased it again by 20% . If the difference between the last number and the original number is 8, then the original number was :
উত্তর
200
১৯১২৪
If x and y are consecutive positive integers, which of the following must be an even integer ?
উত্তর
xy
১৯১২৬
A man buys an article for Tk. 27.50 and sells it for Tk. 28.60. Find his gain percentage.
উত্তর
4%
১৯১২৮
A sum of money doubles itself at simple interest in 10 years. In how many years will it triple?
উত্তর
20 years
১৯১৩০
In how many different ways can the letters of the word 'LEADER' be arranged?
উত্তর
360