Pens, Pencils and Markers in a Jenna's desk are in the ratio of 2: 2 : 5. If there are 10 Pens, the number of Markers in Jenna's desk is:  Pick
A) 30  B) 22  C) 20  D) 25  E) 100
Explanation :   Let Pens = 2x, Pencils = 2x &amp; Markers = 5x. Now, 2x = 10 hence x = 5.   Number of markers = 5x which is 25.   Answer : 25
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Pens, Pencils and Markers in a Jenna's desk are in the ratio of 2: 2 : 5. If there are 10 Pens, the number of Markers in Jenna's desk is: