49αbc where α, b and c are non - zero digits such that b = α² = 2c.
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Answer:
b = 2 c [even]
b = a²
Since a,b,c are digits they cannot be more than 9.
b can take values 1,4,9,0 (squares) but since only 4 and 0 are even they are accepted!
If b is 0,then a² will also be 0 and c will be 0 too.
Number will be 49000
And in the first case, a,b,c should never be zero!
Number that will form when b = 4 is :
a = 2 , c = 2
So number = 49242
Square root of this number = 221.91.
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