2D - 3k = 4 হয়, তবে 4D - 6k = ?

A 8

B 9

C 10

D 12

Solution

Correct Answer: Option A

দেওয়া আছে
2D - 3k = 4

4D - 6K = 2(2D - 3k)
            = 2 × 4
            = 8

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