Question
Download Solution PDFIn a bag containing red, green and blue pens, the ratio of red, blue and green pens, in the given order, was 7 ∶ 4 ∶ 9. If the total number of pens in the bag was 320, how many of them were red?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Red pens : blue pens : green pens = 7 : 4 : 9
Total number of pens = 320
Calculation:
Red pens : blue pens : green pens = 7 : 4 : 9
⇒ 20 units = 320 pens
⇒ 1 unit = 16 pen
Red pen = 7 units = 16 × 7 = 112 pens
∴ The correct answer is 112 pens.
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