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Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.

3 45 36
4 ? 166
2 3 13

Option 1: 110

Option 2: 100

Option 3: 90

Option 4: 80


Team Careers360 25th Jan, 2024
Answer (1)
Team Careers360 27th Jan, 2024

Correct Answer: 90


Solution : The 4th root of the sum of the second and third numbers equals the first number –
Row I: 45 + 36 = 81; $\sqrt[4]{81}$ = 3
Row III: 3 + 13 = 16; $\sqrt[4]{16}$ = 2
Similarly, in Row II: 166 + X = 44 
⇒ X = 256 – 166
⇒ X = 90

So, the missing number is 90. Hence, the third option is correct.

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