In a certain code language, '479' means fruit is sweet' ; '248' means very sweet voice' and '637' means eat fruit daily'. Which digit stands for is' in that code ?
Answer: 9
Explanation
Given, 'Fruit is sweet' ≡ '479'...(i)
'Very sweet voice' ≡ '248'...(ii)
and 'Eat fruit daily' ≡ '637'...(iii)
From equations (i) and (ii) sweet' is coded as '4'.
From equations (i) and (iii), fruit' is coded as '7'.
From equation (i), 'is' is coded as '9'.
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