alleryIf '256' is 'red colour chalk' and '245' is 'white colour chalk', which digit is 'white'?
A2
B5
C4
D6
Answer & Solution
Correct answer: C. 4
Comparing '256' and '245', digits 2 and 5 represent 'colour' and 'chalk'. The remaining digit in '245' is 4, which represents 'white'.
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