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Ncrt math 5.4 ka question no. 4 |
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Answer» 4. The houses of a row are numbered consecutively from 1 to 49. Show that there is a value of\xa0\xa0such that the sum of the numbers of the houses preceding the house numbered\xa0\xa0is equal to the sum of the numbers of the houses following it. Find this value of\xa0Ans.\xa0Here\xa0\xa0and\xa0=\xa0=\xa0\xa0=\xa0=\xa0\xa0=\xa0=\xa0\xa0= 49 x 25According to question,\xa0=\xa0\xa0\xa0+\xa0=\xa0\xa0\xa0\xa0=\xa0\xa0Since,\xa0\xa0is a counting number, so negative value will be neglected. |
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