Which of the following numbers will completely divide 781 + 782 + 783?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e 399
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Understanding |
Application |
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Take 780 common from the expression. |
781+ 782+ 783 =780 (7+72+73 ) =780 (7+49+343) =780 (399) Therefore, 781+ 782+ 783 is completely divisible by 399. |