Question

Select the option that is related to the sixth number in the same way as the first number is related to the second number and the third number is related to the fourth number.

121 : 196 :: 225 : 324 :: ? : 400

A 289 Correct Answer Incorrect Answer
B 324 Correct Answer Incorrect Answer
C 361 Correct Answer Incorrect Answer
D 256 Correct Answer Incorrect Answer

Solution

121 : 196→ 11² = 121; (11 + 3)²= 14² = 196 225 : 324→ 15² = 225; (15 + 3)²= 18² = 324 289 → 17² = 289; (17 + 3)²= 20² = 400

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