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Select the option that is related to the fifth number in the same way as the second number is related to the first number and fourth number is related to third number.
31 : 3 : : 75 : 35 : : 54 : ?
Given that 31 : 3 : : 75 : 35 : : 54 : ?
Follow pattern
31 can be written as = $$ 3\times 1 = 3 $$
75 = $$ 7\times 5 = 35 $$
Next 54 =$$ 5\times 4 = 20 $$ Ans
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