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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 8

28×6 a Multiple of 3? - Mathematics

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प्रश्न

28×6 a multiple of 3?

बेरीज
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उत्तर

28×6 is a multiple of 3
2 + 8+ x + 6 is a multiple of 3
=> 16 + x = 0, 3, 6, 9, 12, 15, 18
=> x = -18, -5, -2, 0, 2, 5, 8
Since, x is a digit = 2, 5, 8

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पाठ 5: Playing with Numbers - Exercise 5 (D) [पृष्ठ ६२]

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सेलिना Concise Mathematics [English] Class 8 ICSE
पाठ 5 Playing with Numbers
Exercise 5 (D) | Q 3 | पृष्ठ ६२

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