alleryநான்கு கோப்புறைகள் ஒவ்வொன்றும் 18 தாள்களை வைத்திருக்க வேண்டும்; 7 தாள்கள் இல்லை. தாள்கள் மீதமுள்ளதா?
A61
B67
C65
D63
Answer & Solution
Correct answer: C. 65
கோப்புறைகளில் 4 × 18 − 7 = 65 தாள்கள் உள்ளன.
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