alleryसंक्रिया a ⊕ b, a और b के योग को दोगुना करती है। 4 ⊕ 5 का मान ज्ञात कीजिए।
A13
B18
C20
D9
Answer & Solution
Correct answer: B. 18
योग 9 है और इसे दोगुना करने पर 18 प्राप्त होता है।
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