A sum of money invested for 2 yrs and 9 months at the rate of 8% simple interest per annum became Rs.732 at the end of the period. What was the sum that was initially invested?
Amarjeet scored 92, 98 and 90 marks in Chemistry, Mathematics and Physics respectively. The maximum marks in each subject are 100. Determine his overall percentage for the three subjects.
X attempts 94 questions and gets 141 marks. If for every correct answer 4 marks is given, and for every wrong answer 1 mark is deducted, then the number of questions wrongly answered by X is __.