২৬৪৩১
In a class of 78 students, 41 are taking, Fresh and 22 are taking German. Of the students taking French or German, 9 are taking both courses. how many students are not enrolled in either course?
উত্তর
24
২৬৪৩২
If the difference between the circumference and of a circle is 60 cm, the radius of the circle is:
উত্তর
14 cm
২৬৪৩৩
A wheel that has 6 cogs is meshed with a wheel of 14 cogs. When the smaller wheel has made 21 revolutions the number of revelution made by the larger wheel is --
উত্তর
49
২৬৪৩৬
A picnic atracts 240 persons. There are 20 more men than women and 20 more adults than children. How many men are at this picnic?
উত্তর
75
২৬৪৩৯
The side length of a square inscreased in circle is 2. What is the area of the circle?
উত্তর
2π
২৬৪৪০
If n is even integer, which of the following must be an odd integer?
উত্তর
(16n+24)8