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1900, 939, ____377,376 |
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Answer» Answer: 498 Step-by-step explanation: The given sequence: 1900, 939, ......., 377, 376 To FIND, the missing number = ? The pattern follow: Previous number - 31 × 31(31^{2}31 2 ), Previous number - 21 × 21(21^{2}21 2 ), Previous number - 11 × 11(11^{2}11 2 ), Previous number - 1 × 1(1^{2}1 2 ) 931 = 1900 - 31^{2}31 2 = 1900 - 31 × 31 = 1900 - 961 = 939 ? = 939 - 21^{2}21 2 = 1900 - 21 × 21 = 939 - 441 = 498 377 = 498 - 11^{2}11 2 = 498 - 11 × 11 = 498 - 121 = 377 376 = 377 - 1^{2}1 2 = 377 - 1 × 1 = 377 - 1 = 376 ∴ The missing number = 498 Thus, the missing number is equal to 498. |
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