Question : Directions: 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.
16 : 128 :: 18 : 162 :: 22 : ?
Option 1: 246
Option 2: 242
Option 3: 88
Option 4: 484
Correct Answer: 242
Solution :
Given:
16 : 128 :: 18 : 162 :: 22 : ?
Like, 16 : 128→16 × (16 ÷ 2) = 16 × 8 = 128
18 : 162→18 × (18 ÷ 2) = 18 × 9 = 162
Similarly, for 22 : ?→22 × (22 ÷ 2) = 22 × 11 = 242
So, 242 is related to the fifth number in the same way as the second is related to the first, and the fourth is related to the third. Hence, the second option is correct.
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