১১, ১৫, ২৩, ৩৯ ------- ধারাটির পরবর্তী সংখ্যা কত?

(০.০০৫)২ = কত?

The ratio of the number of red balls , to yellow balls , to green balls in an urn is 2 : 3 : 4 . What is the p...

After replacing an old member by a new member , it was found that the average age of five members of a club is...

Difference between two numbers is 2 and their sum is 4. Then what is the difference of their square ?

If for integer x, 5 < x < 10 and y = x + 5. What is the greatest possible value of x + y ?

In an election a candidate who gets 84% of the votes is elected by a majority of 476 votes. What is the total...