২৬৫১১
In the figure,circle P has diameter 2 and circle Q gas diameter 1. What is the area of the shaded region?
উত্তর
3π4
২৬৫১২
In a class, average mark in an exam is 70. The average of student of student who scored below 6o is 50. The avearge of srudents who scrord 60 or more is 75 It the total number of students in this calss is 20, how many students scored 60 or more?
উত্তর
16
২৬৫১৩
If Tk. 1000 is invested in an account paying 10% compounded monthly, how much would be the nearst ending balance at the end of 10 years?
উত্তর
None of these
২৬৫১৪
There are 10 books on a shelf, of which 4 are paperbacks and 6 are hardbacks, How many possible elections of 5 books from the shelf contain at least one paperback and at least one hardback?
উত্তর
246
২৬৫১৫
If a square is inscribed in a circle of radius r as shown below, then the area of the square region is______
উত্তর
2r2
২৬৫১৬
In the figure below, the area of square PQRS is 64. What is the area of triangle QRT?
উত্তর
32
২৬৫১৭
How mant psoitive intigers less than 20 are equal to sum of a positive multiple of 3 and a positive multiple of 4?
উত্তর
10
২৬৫১৮
What is the maximum number of 114 foot of wire that can be cut from a wire that is 24 feet long?
উত্তর
19
২৬৫১৯
If three metal cubes having sides of 3 cm, 4 cm and 5 cm were melted to make a single cube, what would be the length of the new cube?
উত্তর
6 cm