If the number 7Ã86038 is exactly divisible by 11, then the smallest whole number in place of x? questions like this
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7x86038
At first we pick out odd place number i.e 7,8,0,8.
Now sum all the numbers.= 23
Take even place numbers i.e x,6,3
sum the number= 9+x
when we subtract odd- even it must be 0,11 or multiple of 11
we find that after subtract we get 14 and number x is still remaining like 23-9-x= 14-x= 11(it must be for divisible by 11)
x=3
At first we pick out odd place number i.e 7,8,0,8.
Now sum all the numbers.= 23
Take even place numbers i.e x,6,3
sum the number= 9+x
when we subtract odd- even it must be 0,11 or multiple of 11
we find that after subtract we get 14 and number x is still remaining like 23-9-x= 14-x= 11(it must be for divisible by 11)
x=3
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