Math, asked by geetanshi22, 11 months ago

Plzzzzzzzzzz help me.... Plzzzz a quick answer plz​

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Answered by kusumasree789
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 .


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Answered by sachin2631
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


geetanshi22: 1 is the answer
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