Please find the value of ?

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A5/7

B1/3

C3/4

D1/4

Answer:

B. 1/3

Read Explanation:

1/7 × 60 ×70 = 90 × ? × 20 ? = {1/7 × 60 × 70}/{90 × 20} = {600}{1800} = 6/18 = 1/3

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