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 the fourth number is related to the third number. 7 : 71::13 : 209::16 : ? |
291 317 305 309 |
305 |
7 : 71::13 : 209::16 : ? The logic; (First no. x first no. +3+1 = Second number) 7:71 7 x 7+3+1 = 71 13:209 13 x 13+3+1 = 209 16: ? 16 x 16+3+1 304+1 305
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