alleryఎలాంటి ఉమ్మడి సభ్యులు లేని మూడు వేర్వేరు సమూహాలలో వరుసగా 20, 15 మరియు 10 మంది సభ్యులు ఉన్నారు. ఆ మూడింటిలోని మొత్తం సభ్యుల సంఖ్య ఎంత?
A30
B40
C35
D45
Answer & Solution
Correct answer: D. 45
ఎలాంటి ఉమ్మడి భాగం లేనందున, సమ్మేళనం అనేది సాధారణ కూడిక అవుతుంది: 20 + 15 + 10 = 45.
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