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ARITHMETIC PROGRESSION..!
Answer it-:
Daya gets pocket money from his father every day. Out of this pocket money, he saves ₹2.75 on first day, ₹3.00 on second day,₹3.25 on third day and so on. Find-:
1)the amount saved by Daya on 14th day.
2)the amount saved by Daya on 30th day.
3)the total amount saved by him in 30 days.
BOARDZ....!⚠
Answers
Answered by
5
Answer: 1) 6
2) 10
3) 27.75
Step-by-step explanation:
AP-: 2.75, 3, 3.25....
a= 2.75
d= 3- 2.7= 0.25
1) t14= 2.75+(14-1)*0.25
2.75+13*0.25
2.75+3.25= 6
2) t30= 2.75+(30-1)*0.25
2.75+29*0.25
2.75+7.25=10
3) S30=30/2 +[2*2.75+(30-1)*0.25]
15+[5.5+29*0.25]
15+(5.5+7.25)
15+12.75=27.75
Answered by
0
Answer:
Hello divjot............
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