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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.
21 : 529 :: 25 : 729 :: 17 : ?

Option 1: 441

Option 2: 289

Option 3: 324

Option 4: 361


Team Careers360 8th Jan, 2024
Answer (1)
Team Careers360 10th Jan, 2024

Correct Answer: 361


Solution : Given:
21 : 529 :: 25 : 729 :: 17 : ?

Add 2 to the first number and determine the square of the resultant to get the second number –
Like in, 21 : 529→(21 + 2) 2 = 529
And in, 25 : 729→(25 + 2) 2 = 729
Similarly, follow the same pattern for 17 : ?  → (17 + 2) 2 = 361

Therefore, 361 is related to 17. Hence, the fourth option is correct.

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