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If 58d6 is a multiple of 9, where d is a digit, then the value of d is __________ |
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Answer» xplanation: p-7= 11*a (as it is MULTIPLE of 11) p=11*(a+7) so (p+4)(p+15)= (11a+7+4)(11a+7+15); = (11a+11)(11a+22); =11*11(a+1)(a+2); =121*2 =242 |
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