Question
In a certain code language, CREAM is coded as 54 and
PASSAGE is coded as 16. How will BARBER be coded in that language?Solution
The logic followed here is as follows: The words are coded as the product of the place value of the 1st and 2nd letters as per the English alphabetical series. CREAM = 3 X 18 = 54 .PASSAGE = 16 X 1 = 16 BARBER = 2 X 1 = 2.
If n(A) = 25, n(B) = 40 and n(A ∪ B) = 50, then n(A ∩ B) equals
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