Question 49

In an examination, a student gets 4 marks for every correct answer and logos 1 mark for every wrong answer. if he attempts in all 60 questions and secures 130 marks, then find the number of questions he attempted correctly.

Solution

Let the number of questions answered correctly = x

A/c to question ,

4x + (60 - x)(-1) = 130

=> x= 38

So, the answer would be option c)38


Create a FREE account and get:

  • Download RRB Study Material PDF
  • 45+ RRB previous papers with solutions PDF
  • 300+ Online RRB Tests for Free

cracku

Boost your Prep!

Download App