alleryदररोज पाण्याची पातळी 100, 90, 80, 70 cm अशी कमी होते. पुढील पातळीचा अंदाज लावा.
A60
B65
C50
D40
Answer & Solution
Correct answer: A. 60
ही मालिका प्रत्येक टप्प्यावर 10 ने कमी होते, म्हणून 70 - 10 = 60.
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