Q7

Question:

Find the missing number: 4, 9, 25, 49, 121, ?

लुप्त संख्या ज्ञात करें: 4, 9, 25, 49, 121, ?

Options:

  • a) 144
  • b) 169
  • c) 196
  • d) 225
  • a) 144
  • b) 169
  • c) 196
  • d) 225

correct answer : b)

Explanation:

2²,3²,5²,7²,11²(primes squared). Next prime=13. 13²=169.

2²,3²,5²,7²,11² (अभाज्य संख्याओं के वर्ग)। अगली अभाज्य=13. 13²=169।

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