Question

In a maths paper, there are 50 distinct questions each carrying '5' marks for correct answer,
-1' for wrong answer and 'O' for an un-attempted question. The number of ways a student can
secure 231 marks is

Answer 1

Answer:

250-19=231

Step-by-step explanation:

50 multiplied with 5=250

-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1

=-19

250-19

=231