Question

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?​

Answer 1

Answer:

62 rs

I guess so dear

hope it's right

take care

Answer 2

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