Question : Directions: Select the option 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 :: 10 : 1001 :: 8 : ?
Option 1: 517
Option 2: 513
Option 3: 514
Option 4: 516
Correct Answer: 513
Solution :
Given:
9 : 730 :: 10 : 1001 :: 8 : ?
Add 1 to the cube of the first number, to get the required missing number –
Like, 9 : 730→(9)
3
+ 1 = 730
And, 10 : 1001 : (10)
3
+ 1 = 1001
Similarly, by following the same pattern for 8 : ?→(8)
3
+ 1 = 513
Therefore, the required missing number is 513. Hence, the second option is correct.
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