alleryనీటి మట్టం రోజుకు 100, 90, 80, 70 cm తగ్గుతుంది. తరువాతి మట్టాన్ని అంచనా వేయండి.
A60
B65
C50
D40
Answer & Solution
Correct answer: A. 60
ఈ శ్రేణి ప్రతి దశలో 10 తగ్గుతుంది, కాబట్టి 70 - 10 = 60.
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