rahulsfather wants to deposit some amount of money every year on the day of rahuls birthday.Onhis1st birthday₹100on his2nd birthday₹300,on his3rd birthday₹600,on his4th birthday₹1000and so on.what is the amount deposited by his father on rahuls15th birthday
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what is the rule of the givin sequence..
100,300,600,1000
every year his father deposits on hundred more than the differnce in money of previous year...
so
300-100 is 200
600-300 is 300
1000-600 is 400
now similarly
1000+500 is 1500
1500+600 is 2100
2100+700 is 2800
2800+800 is 3600
3600+900 is 4500
4500+1000 is 5500
5500+1100 is 6600
6600+1200 is 7800
7800+1300 is 9100
9100+1400 is 10500
10500+1500 is 12000
SO RAHUL'S FATHER DEPOSITED 12000 RS. ON HIS FIFTEENTH BIRTHDAY...
HOPE U UNDERSTOOD THIS LONG ANSWER......
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