alleryजल स्तर प्रतिदिन 100, 90, 80, 70 सेमी घटता है। अगला स्तर क्या होगा?
A60
B65
C50
D40
Answer & Solution
Correct answer: A. 60
श्रृंखला में प्रत्येक चरण में 10 की कमी होती है, अतः 70 - 10 = 60।
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