Neela saves in a ‘Mahila Bachat Gat’ Rs 5 on the first day, Rs 7 on the second day,
Rs 9 on the third day and so on. What will be her savings in the month of August?
Answers
Answered by
0
Answer:
62 rs
I guess so dear
hope it's right
take care
Answered by
8
Answer:
=Rs.812
Step-by-step explanation:
Since, 2010 is not a leap year.
∴Total no. of days in the month of February 2010=28
The savings done by Neela on each day is as follows 2,4,6,.......
This sequenceform an A.P. with first term a=2 ,common difference d=2 and number of terms n=28.
Since, S
n
=
2
n
[2a+(n−1)d]
⇒S
28
=
2
28
[2×2+(28−1)2]
⇒S
28
=14[4+54]
⇒S
28
=812
∴Total savings for the month of February (S
28
)=Rs.812
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