যদি x : y=২ : ৩ এবং y : z=৪ : ৫ হয়, তাহলে x : y : z = ?
A. ২:৩:৫
B. ২:৪:৫
C. ৮:১২:১৫
D. ৪:৬:১০
সঠিক উত্তরঃ
C.
৮:১২:১৫
Explanation:
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