5 (2/3) ÷ ? (5/6) = 2
 

A 2

B 3

C 4

D None of these.

Solution

Correct Answer: Option A

ধরি, ? = x

∴ 5 (2/3) ÷ x (5/6) = 2

⇒ (17/3) ÷ x (5/6) = 2

⇒ [(17/3)/ {x (5/6)}] = 2

⇒ {x (5/6)} = {(17/3) x (1/2)}

⇒ {x (5/6)} = 2 (5/6)

∴  = 2

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