M is a girl and has the same number of brothers as sisters. N is a boy and has twice as many sisters as brothers. M and N are the children of Q. How many children does Q have?
The area of the floor of an auditorium is 600 sq. meter. How many unbroken tiles of dimension 10 x 30 cm³ will be required to cover the floor completely?
The average daily wage of 10 workers is Tk. 400 If the lowest wage is Tk.300, then what is the possible maximum wage?