Which of the following numbers is not a perfect square?

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ചുവടെയുള്ള സംഖ്യകളിൽ പൂർണവർഗമല്ലാത്തത് ഏത്?

A225

B222

C625

D169

Answer:

222⇒ 2 × 3 × 37 = 222ഒരു പൂർണവർഗമല്ല

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