Select the number that will come in place of the question mark (?) in the following series.4, 9, 25, 49, 121, ?
A. 144
B. 143
C. 196
D. 169
A. 144
B. 143
C. 196
D. 169
Best answer
Answer: D. 169
Answer: (D) 169
These are squares of consecutive prime numbers: \(2^2, 3^2, 5^2, 7^2, 11^2\). Next prime is 13, so \(13^2 = 169\).
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