Rahim wants to cut a rectangular board into idenitcal square piece .If the board is 19 inches by 30 inches,what is the least number of square pieces he can cut without wising any of the board ?
Solution
Correct Answer: Option D
এখানে ,8 =3×6
30=5×6
অতএব, নির্ণেয় সংখ্যা 3×5=15
30=5×6
অতএব, নির্ণেয় সংখ্যা 3×5=15
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