a/b = 4, a + 2b = 12 হলে a এর মান কত?
Solution
Correct Answer: Option A
a/b=4
a=4b
এখন, a+2b=12
বা , 4b+2b=12
বা 6b=12
∴b=2
∴a=4×2=8
a=4b
এখন, a+2b=12
বা , 4b+2b=12
বা 6b=12
∴b=2
∴a=4×2=8
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