Math, asked by swastikswayam34, 9 months ago

13) Find 15th form of a 10, 05, 0, 5 ..
(A) 55
(B) 60
(c) 65
(D) none of these ​

Answers

Answered by rram80817
1

Answer:

-60 is the answer for the question

Attachments:
Answered by shivanigowdagn
1

Answer:

d) none of these

a= 10 d = 5- 10 = -5 n = 15 th

an = a+( n-1) d

an = 10 + (15 - 1) -5

an = 10 + (14) -5

an = 10 + (70)

an = 80

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