alleryনিচের কোনটি 12 এবং 18-এর সাধারণ গুণিতক নয়?
A72
B36
C108
D90
Answer & Solution
Correct answer: D. 90
90-কে 12 দিয়ে ভাগ করলে 7.5 পাওয়া যায়, তাই 90 হলো 12-এর গুণিতক নয়।
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