Plzzzzzzzzzz help me.... Plzzzz a quick answer plz
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1
the least value of x is 1 .
because if the sum of digits of a number is divisible by 9 then the number is also divisible by 9 .
the given number is 21x5
now ,
2+1+5=8
nearer multiple of 9 for 8 is 9 only
so ,
x+8=9
x=9-8=1
so ,
least value of x is 1 .
geetanshi22:
Ok
Answered by
1
bro x =3n. where n is natural no
if u put x =3n in 21x5 you will get multiple of 9
I hope it is helpful to you
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