Select the option that is related to the third number in the same way as the second number is related to the first number.
18 : 323 :: 24 : ?
Show answer & explanation
Correct answer: B
Explanation
The Correct Answer is option 2 i.e. 575
X : X2 - 1
18 : 323 :: 24 : ?
Here,
182 = 324;
324 - 1 = 323
So,
242 = 576;
576 - 1 = 575
Hence, the correct answer is 575.