CTET 2 Math and Science Feb 2015 Paper

Question : 45 of 120

Marks: +1, -0

The least number which must be added to 893304 to obtain a perfect square is

Solution:

When we substract 279 from 893304 then it is equal to= 893025 which is square of 945.
But square of

946=894916

Added number

=894916-893304

=1612

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