You are depositing Rs. 3 in First day and Rs. 3 in Second day in your account. And you are withdrawing Rs. 4 from your account in Third day. You do this repeatedly. When soon do you have Rs. 60?
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After third day you will have Rs.2 in your account (3+3-4). So your account will gain Rs.2 every 3rd day.
Thus you would have reached Rs. 60 in (60/2)*3 = 90 days, but important thing to notice is that you are withdrawing Rs. 4 on every third day so your balance will reach Rs.60 mark earlier than that.
So, if we observe we will reach (60-6)=Rs.54 in (54/2)*3=81 days, and as you will deposit Rs.6 in next two days, you will reach Rs.60 in 83days.
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83 is correct
on the 76th day the balance will be rs,54. By depositing rs. 3 each on 80th and 81st day the total bal will be rs.60. So on 81st day he wil have 60 rs. bal.
83 days
but they given wrong answer I am not understanding how they got that
they given 53 days
I think by mistake in place of 8 they given 5
Sorry it was a typo… corrected it
T.days
Days
Credits
Wdrawl
Amt.had
1
1
3
2
2
3
3
3
3
4
5
9
4
1
3
5
2
3
6
3
3
4
5
9
7
1
3
8
2
3
9
3
3
4
5
9
10
1
3
11
2
3
12
3
3
4
5
9
13
1
3
14
2
3
15
3
3
4
5
9
16
1
3
3
17
2
3
3
18
3
3
4
5
9
60
On the 18th day
83days.pls not (54/2)*3 equals 81 and next two days..adding 6 rs., its become 60
90 days.
Bcz 3 days = 2 rs.
So (3*30) days = (2*30) rs.
Hence, 90 days = 60 rs.
Ans – 83 Days.
Explanation – As per the problem, if we group the 3 consecutive days into one single unit, then
In one unit, total amount in your account = 3 + 3 – 4 = 2
So, in 27 units, total amount in your account = 2*27 = 54
Now, 27 units = 27*3 = 81 days
In the next two days, you deposit 3 + 3 = 6 Rs. into your account, giving you a total of 54 + 6 = 60
Hence, days to get Rs. 60 in your account = 81 + 2 = 83.
83 days
on 88th day…!!!!
ON 8TH DAY THE BALANCE WILL BE NIL AND ON NINTH DAY YOU WILL HAVE ONLY 3 Rs AND YOU CAN’T WITHDRAW Rs.4
understand it completely
83 days is the right answer