দুটি ক্রমিক সংখ্যার বর্গের অন্তর ২৩ হলে সংখ্যাদ্বয় কত?

In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?

In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability t...

The area of a squeare is three-fifths the area of a rectangle. the length of the rectangle is 25 cm and its br...

In every 30 minutes the time of a watch increases by 3 minutes. After showing the correct time at 5 a.m. What...

If x > 2 and x < 3 then which of the following is positive?

A boy read 3/8 th of a book on one day and 4/5 th of the remainder on another day. If there were 30 pages unre...