The average expenditure of a man for the first 7 months is Rs. 130 and for the next 5 months is Rs. 140. He withdraws a sum of Rs.110 from his bank. His average monthly earning is
1.Rs. 125
2.Rs. 145
3.Rs. 155
4.Rs. 120
Answer:1
Posted Date:-2021-09-20 03:01:13