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The value of 2492 – 2482 is (A) 12 (B) 477 (C) 487 (D) 497 |
Answer» (d) 497 Now, 2492 – 2482 = (249 + 248) (249 – 248) [using identity, a2 – b2 = (a – b)(a + b)] = 497 x 1 = 497. |
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