৩১৫৭৪
A football team is to be consisted out of 14 boys. In how many ways the team can be chosen so that the owner of the ball is always in the team?
উত্তর
286
৩১৫৭৫
The sum of three consecutive even numbers is 42 and the sum of three consecutive odd numbers is 51. Find the ratio of the lowest even and odd numbers.
উত্তর
4:5
৩১৫৭৭
A taxi charges Taka 50 for the first 2 kilometers and Taka 20 for each additional kilometer. How much would be the fare for 32 kilometers?
উত্তর
780
৩১৫৭৮
Two cyclists start biking from a trail start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first from the time the second cyclist started biking?
উত্তর
412 hours
৩১৫৭৯
If the hypotenuse of an isosceles right triangle has length of 8 , then the area of the triangle is
উত্তর
82
৩১৫৮০
In what ratio must a grocer mix two varieties of tea Worth Tk. 60 per kg and Tk. 65 per kg so that by selling the mixture at Tk. 68.20 per kg he may gain 10%?
উত্তর
3:2