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 : 45 :: 36 : 105 :: 49 : ?
Option 1: 142
Option 2: 152
Option 3: 147
Option 4: 144
Correct Answer: 144
Solution :
Given:
16 : 45 :: 36 : 105 :: 49 : ?
Like, 16 : 45→(16 × 3) – 3 = 48 – 3 = 45
36 : 105→(36 × 3) – 3 = 108 – 3 = 105
Similarly, for 49 : ?→(49 × 3) – 3 = 147 – 3 = 144
So, 144 is related to 49. Hence, the fourth option is correct.
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