alleryநீரின் அளவு நாளொன்றுக்கு 100, 90, 80, 70 cm எனக் குறைகிறது. அடுத்த அளவைக் கணிக்கவும்.
A60
B65
C50
D40
Answer & Solution
Correct answer: A. 60
இத்தொடர் ஒவ்வொரு படியிலும் 10 குறைகிறது, எனவே 70 - 10 = 60.
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