Math, asked by satya4081, 11 months ago

If 15, k-1,-1 are in arithmetic progression, then the value of K is
a.7
b.14
c.16
d.17

Answers

Answered by sharmaajaybsp11

1

Answer:

7 is the answer to the question.

satya4081: explain it plz

sharmaajaybsp11: It is the property of arithmetic progression that if 3 terms a,b,c arein arithmetic progression so 2b=a+c

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