Math, asked by aryanmauryaa2006, 1 month ago

If the parallel mean of 5,10,15, R, 20,35 and 40 is 21, then the value of R will be (a) 18 (b) 22 (c) 25 (d) 30

Answers

Answered by harshagayle175

1

Answer:

Step-by-step explanation:

5+10+15+r+20+35+40/7=21

125+r=147

r=22

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