Subject :IMO Class : Class 3
Subject :IMO Class : Class 10
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Subject :IMO Class : Class 7
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Subject :IMO Class : Class 8
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Subject :IMO Class : Class 3
Ans 2:
Class : Class 6
easy look if hundreds number digit like 4, 8 and 8 . They all are even. Unit place means ones place . As we have to use numbers in hundreds place and replace it with ones place the new number formed should be even