Q. Koel score 49 marks in english, 37 marks in science, 45 marks in maths, 53 marks in hindi and 55 marks in social. The maximum marks a student can score in each subject is 70.how much approx percentage did Koel get in this exam?
Q. The sum of the digits of two digit number is 12..if new number formed by reversing the digits is greater than the original number by 54.what will be the original number?