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 fourth number is related to third number.
7 : 2401 :: 3 : 441 :: 5 : ?
Option 1: 685
Option 2: 880
Option 3: 1805
Option 4: 1225
Correct Answer: 1225
Solution :
Given:
7 : 2401 :: 3 : 441 :: 5 : ?
Multiply the first number by 7 and square the resultant to obtain the second term –
Like in, 7 : 2401 → (7 × 7)
2
= 2401
And in, 3 : 441 → (3 × 7)
2
= 441
Similarly, follow the same pattern for 5 : ? → (5 × 7)
2
= 1225
So, the required missing term is 1225. Hence, the fourth option is correct.
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