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Jayati Dinesh Bharadwaj Grade: 10
        the four digit no. 2652 is such that any two consecutive digits from it make a multipleof 13. another no. n has this same property, is 100 digits long and begins in a 9. the last digit of n is ?

pls explain how this type of ans are solved ?
6 years ago

Answers : (1)

Prudhvi teja
83 Points
										

Dear jayati


any two consecutive digits from it make a multipleof 13


so next digist after 9 should be 1


coz..91 is multiple of 13


then 3i..e 913


next agin 9i..e 9139


then 9139139...


it has 100 digists = 3*33+1


so 913 will be 33 times then 9


answer is 9



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6 years ago
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