cuetlions

Question

In an exam, the average was found to be 60 marks. After it was found that marks of 10 candidates were wrongly written 50 in place of 70 and after correction the average became 65. What is the total number of candidates who took the exam ? a) 45 b) 40 c) 35 d) 30

 
ANSWERS
POST YOUR ANSWER
cuet lions result Book Demo
CLOSE [X] Fill all details correctly to get free demo class