Question : Directions: Select the option related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.
21 : 40 :: 16 : ? :: 26 : 50
Option 1: 25
Option 2: 40
Option 3: 30
Option 4: 35
Correct Answer: 30
Solution :
Given:
21 : 40 :: 16 : ? :: 26 : 50
Subtract 1 from the number given in the first term, and then multiply the resultant by 2, to get the second term –
Like, 21 : 40→(21 – 1) × 2 = 20 × 2 = 40
26 : 50→(26 – 1) × 2 = 25 × 2 = 50
Similarly, follow the same pattern for 16 : ?→(16 – 1) × 2 = 15 × 2 = 30
So, 30 is related to 16. Hence, the third option is correct.
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