kirti saves in a Mahila Bachat Gat 5rs on the first day , 7rs on the second day , 9rs on the third day and so on. what will be her saving in the month of August?
Answers
Answered by
4
Answer:
Step-by-step explanation:
1. If on first day she is saving 5rs , on second day 7rs the the difference is 2.
2. Like this keep on adding till 31 , because August has 31 days.
Answered by
22
Answer:
It is an question of A.P here
n=31
a= 5
d= 2
Sn = 31 (2a+30d)
2
= 31 ×2(5+30)
2
= 31 × 35
= 1085
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