Ram gets 148 marks for 20 questions. +10 for correct. -3 for wrong. How many correct answers?

16

  • Interview Candidate
  • 3
  • 2524

Showing Answers 1 - 3 of 3 Answers

pkaneria

  • Mar 23rd, 2006
 

This is easy one.

we have two equations, c+w=20 and 10c-3W=148

therefore 10c-3(20-c)=148 which leads to 13c = 148+60=208

and therefore c=208/13=16.

  Was this answer useful?  Yes

Purvi mehta

  • Nov 7th, 2006
 

correct answers:-16

wrong answers:-4

  Was this answer useful?  Yes

Give your answer:

If you think the above answer is not correct, Please select a reason and add your answer below.

 

Related Answered Questions

 

Related Open Questions