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Debanjan Mandal

· started a discussion

· 1 Months ago

4 black and blue both. But why you not calculate 4? In question there have no restrictions regarding black.

Question:

In the given figure, how many pens are only blue? 


Options:
A)

   39

B)

     19

C)

     23

D)

     15

Solution:

Total No of pens which are only blue

= 19


Knowledge Expert

· commented

· 1 Months ago

Dear student,
Given answer is correct, this is logical reasoning so we don't have to include black.
Keep learning,
Team TR

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