Question

Find the odd one out from the options.(ਭਿੰਨ ਵਿਕਲਪ ਚੁਣੋ) * 289 1331 2197 343​

Answer 1

Answer:

289

Step-by-step explanation:

289 is a square of 17

1331 is a cube of 11

2197 is a cube of 13

343 is a cube of 7

Hence , the odd one out will be 289.

Answer 2

Given :- Find the odd one out from the options.(ਭਿੰਨ ਵਿਕਲਪ ਚੁਣੋ) 

A) 289

B) 1331

C) 2197

D) 343

Solution :-

checking all options one by one we get,

A) 289

→ 289 = 17 * 17 = 17²

B) 1331

→ 1331 = 11 * 11 * 11 = 11³

C) 2197

→ 2197 = 13 * 13 * 13 = 13³

D) 343

→ 343 = 7 * 7 * 7 = 7³ .

as we can see that, B , C and D are cubes of prime numbers but A is square of a prime number .

Therefore, we can conclude that (A) 289 is odd one out from the given option .

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