Question

There are 30 questions in a multiple –choice test. A student gets 1 mark for each unattempted question, 0 mark for each wrong answer and 4 marks for each corrent answer. A student answered x question correctly and scored 60. Then the number of possible value of x is 

 (A) 15 

(B) 10 

(C) 6 

(D) 5 

Answer 1

Correct option (C) 6 

Explanation:

Right (4 marks)	Wrong (0 mark)	Unattempted (1 marks)
15	15	0
14		4
13		8
12		12
11		16
10		20

6 cases.