Select the missing number from the given respones.
121 156 105
145 187 126
115 190 ?
The pattern followed here is,
156 - 121 = 35, 35 x 3 = 105
187 - 145 = 42, 42 x 3 = 126,
190 - 115 = 75 x 3 = 225.
Hence, option b is the correct answer.
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