২৮৭১২
A student has to obtain 33% of the total marks to pass. He got 125 marks and failed by 40 marks. The maximum marks are:
উত্তর
500
২৮৭১৩
Two numbers differ by 5. If their product is 336, then the sum of the two numbers is -
উত্তর
37
২৮৭১৪
One filling pipe P is three times faster than another filling pipe Q , If P can fill the tank in 24 hours, then what is the time taken to completely fill the tank if both pipes are opened together?
উত্তর
18 hours
২৮৭১৭
A box contains 4 tennis ball 6 season and 8 dues balls. 3 balls are randomly drawn from the box. What is the probability that the balls are different?
উত্তর
4/17
২৮৭১৯
A sum of money at simple interest amounts to Tk. 815 in 3 tears and to Tk. 854 in 4 years.The sum is:
উত্তর
Tk.698
২৮৭২০
By selling a book at 600 taka, Salim makes a profit of 25%. What was the cost of the book in taka?
উত্তর
480