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5a என்ற கோவையில் a = 3 எனப் பிரதியிட்டால் கிடைப்பது:

A15
B8
C35
D53
Answer & Solution
Correct answer: A. 15
a-க்கு பதிலாக 3 எனப் பிரதியிடுவது 5 பெருக்கல் 3-ஐத் தருகிறது, அது 15 ஆகும்.
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