allery? × 4 − 6 = 22 সমীকরণে প্রশ্নবোধক চিহ্নের স্থানে কোন সংখ্যাটি বসবে?
A8
B7
C28
D6
Answer & Solution
Correct answer: B. 7
? × 4 = 28, সুতরাং অনুপস্থিত সংখ্যাটি হলো 7।
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