alleryइनमें से कौन सा योगफल विषम है, जबकि अन्य तीनों योगफल सम हैं?
A3 + 5
B7 + 8
C6 + 8
D9 + 1
Answer & Solution
Correct answer: B. 7 + 8
एक विषम और एक सम संख्या को जोड़ने पर 15 प्राप्त होता है जो विषम है, जबकि विषम + विषम तथा सम + सम का योगफल सदैव सम होता है।
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