50-70 =8 / 70-90 =12/90-110=13/110-130=27/130-150=18/150-170=22 माध्यक
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Answer:
13 -27
Step-by-step explanation:
8,12,13,18,22,27
n=6
n/2
6/2=3
so the 3rd and 4th no.
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