12th Class
Mathematics
Sample Paper
Mathematics Olympiad - Sample Paper-4
question_answer
The income of Raj on the \[{{n}^{th}}\] day is Rs.\[({{n}^{2}}+2)\]and the expenditure of Raj on the \[{{n}^{th}}\] day is\[(2n+1)\]. In how many days his total savings will Rs.1240?