1.

10th class NCERT test book exercise 1.2 5th sum

Answer» Check whether 6n\xa0can end with the digit 0 for any natural number\xa0n.Ans.\xa0If any number ends with the digit 0, it should be divisible by 10.In other words, it will also be divisible by 2 and 5 as\xa0Prime factorisation of\xa0It can be observed that 5 is not in the prime factorisation of.Hence, for any value of\xa0n,\xa0will not be divisible by 5.Therefore,\xa0cannot end with the digit 0 for any natural number\xa0n.


Discussion

No Comment Found