1 ÷ (8/9){(5/8) + (3/8)} = কত ?

A 1

B 1 (1/8)

C 1/8

D 1/9

Correct Answer: Option B

1 ÷ (8/9){(5/8) + (3/8)}
= 1 ÷ (8/9){(5+3)/8}
={ 1 ÷ (8/9)×(8/8) }
= 1 ÷ (8/9)
= 1 × (8/9)
= (9/8) = 1 (1/8)