Out of the total pens, 10% of pens are black. 10% of remaining pens are blue. 20% of remaining pens are red. The remaining 648 pens are green. How many total pens are there?

Out of the total pens, 10% of pens are black. 10% of remaining pens ar

1.	Out of the total pens, 10% of pens are black. 10% of remaining pens are blue. 20% of remaining pens are red. The remaining 648 pens are green. How many total pens are there?
A.	1000
B.	1500
C.	2000
D.	2500
Answer» B. 1500

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Out of the total pens, 10% of pens are black. 10% of remaining pens are blue. 20% of remaining pens are red. The remaining 648 pens are green. How many total pens are there?

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