Question
Select the option that is related to first number in
the same way third number is related to forth number. 26: ? :: 33: 1155Solution
The logic followed here is the second number is equal to the product of first number and first number plus '2'. 33: 783 →  33 X (33 + 2) = 33 X 35 = 1155 Similarly, in 26: ? → 26 X (26 + 2) = 26 X 28 = 399 ? = 728
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