alleryयदि चिह्न + और − आपस में बदल दिए जाएं, तो 15 + 6 − 4 का मान ज्ञात कीजिए।
A5
B17
C25
D13
Answer & Solution
Correct answer: D. 13
चिह्नों को आपस में बदलने पर व्यंजक 15 − 6 + 4 = 13 बन जाता है।
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