allery1 முதல் 100 வரையிலான முழு எண்களில் 2 அல்லது 5-ஆல் வகுபடும் எண்கள் எத்தனை?
A70
B50
C60
D65
Answer & Solution
Correct answer: C. 60
2-இன் மடங்குகள் 50, 5-இன் மடங்குகள் 20, 10-இன் மடங்குகள் 10, எனவே 50 + 20 - 10 = 60.
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