Q1. The Average of marks obtained by 120 candidates in a certain examination is 35 If the average marks of passed candidates is 39 and that of failed candidates is 15 what is the number of candidates who passed the examination

Q2. The average of 6 consecutive even number is 43 Find the difference of largest smallest number

Q3. The average age of Suresh s marks in English and History is 55 His average of marks in English and Science is 65 What is the difference between the marks which he obtained in History and Science

Q4. The average of the age of Sumit Krishna and Rishabh is 43 years and the average of the age of Sumit Rishabh and Rohit is 49 years If Rohit is 54 years old what is Krishna s age

Q5. The average monthly expenditure of a family was Rs 2200 during the first 3 months Rs 2250 during the next 4 months and Rs 3120 during the last 5 months of a year If the total savings during the year were Rs 1260 then the average monthly income was