The value of 2492 – 2482 is

The value of 249² – 248² is

(a) 1²

(b) 477

(c) 487

(d) 497

Answer : (d) 497

Hint:

249² – 248² = (249+248) (249-248) = 497×1 = 497

Question 8.

Answer :

Hint :

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