The average marks obtained by the students in a class are 43. If the average marks obtained by 25 boys are
40 and the average marks obtained by the girl students are 48, then what is the number of girl students in the
class ?
What is the area of the triangle bounded by the sides x = 0, y = 0 and x + y = 2 ?
(a) 1 square unit (b) 2 square unit (c) 4 square unit (d) 8 square unit