The average score of 35 students in a class is 37. If every student is given 3 grace marks, the new average of the class is:
Choose one
A) 33	B) 21	C) 38	D) 40	E) 92

Rationale: explanation : average score = 37 grace mark 3 is given to 35 student then its average will be 3 . hence new average = 37 + 3 = 40 answer : d
Answer: D