alleryమూడు సంఖ్యలు 10, x, 30 అంకశ్రేఢిలో ఉన్నాయి. x విలువ ఎంత?
A15
B25
C22
D20
Answer & Solution
Correct answer: D. 20
అంకశ్రేఢిలోని మూడు పదాలలో మధ్య పదం మిగిలిన రెండు పదాల సగటు అవుతుంది, (10 + 30) / 2 = 20.
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