alleryసమితి A లో 18 మంది సభ్యులు, సమితి B లో 12 మంది సభ్యులు ఉండి, A మరియు B లలో ఉమ్మడిగా 5 మంది ఉంటే, వాటి సమ్మేళనం (యూనియన్) లో ఎంతమంది సభ్యులు ఉంటారు?
A20
B25
C35
D30
Answer & Solution
Correct answer: B. 25
సమ్మేళనం = 18 + 12 - 5 = 25, ఎందుకంటే ఉమ్మడి సభ్యులను ఒకసారి మాత్రమే లెక్కించాలి.
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