The income of HBI on the nth day \[Rs\,({{n}^{2}}+2)\] and the expenditure of HBI on the nth day is\[Rs\,(2n+1)\]. |
Also Income = Expenditure + Savings |
In how many days his total savings will be Rs.1240? |
A) 10
B) 12
C) 15
D) 16
Correct Answer: D
You need to login to perform this action.
You will be redirected in
3 sec