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.
9 : 730 :: 5 : 126 :: 7 : ?
Option 1: 354
Option 2: 344
Option 3: 364
Option 4: 342
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Correct Answer: 344
Solution :
Given:
9 : 730 :: 5 : 126 :: 7 : ?
Add 1 to the cube of the first term to find the second term of each pair.
Like, 9³ + 1 = 729 + 1 = 730
And, 5³ + 1 = 125 + 1 = 126
Similarly, 7³ + 1 = 343 + 1 = 344
So, the required number is 344. Hence, the second option is correct.
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