Money Matters?
Algebra
Level
2
Rahul earns Rs.60 on one day and spends Rs.50 on the next day. He again earns Rs.60 on the third day and spends Rs.50 on the fourth day and so on.
On which day he will have Rs.200 with him before spending?
The answer is 29.
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1 solution
Each day he earns Rs.60 and the next day he spends Rs.50.
So, he's left out with Rs.10 after every 2 days.
It takes 28 days to earn Rs.140. And on 29th day he earns Rs.60 which Makes him Rs.200
So total number of days in which he earns Rs.200 before spending is 2 9 .