5 क्रमागत संख्याओं का औसत x है. यदि अगली दो संख्यायें मिला ली जायें, तो औसत में क्या परिवर्तन होगा?
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Answer:
Mana ki wo sankhyaen x-2, x-1, x, x+1 aur x+2 hain.
Tab unka ausat hoga:-
(x-2) + (x-1) + x + (x+1) + (x+2) —————————————————-
5
=5x / 5
= X
Ok.
Ab dekhte hain ki agli do aur sankhyaen milane par unka ausat kitna hoga:-
(x-2)+(x-1)+x+(x+1)+(x+2)+(x+3)+(x+4) ——————————————————————
7
= 7x+7 / 7
= x+1
Answer x+1 hogakisi bhi sankhyaon ke liye yahi formula lagoo hoga.
hope it's helpful
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