If Rajiv can type 480 letters in 6 minutes and Shivani can type 324 letters in 270 seconds, then both can type how many letters in 12 minutes?

If Rajiv can type 480 letters in 6 minutes and Shivani can type 324 le

1.	If Rajiv can type 480 letters in 6 minutes and Shivani can type 324 letters in 270 seconds, then both can type how many letters in 12 minutes?
A.	3240
B.	3600
C.	1824
D.	1600
E.	None of these
Answer» D. 1600

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If Rajiv can type 480 letters in 6 minutes and Shivani can type 324 letters in 270 seconds, then both can type how many letters in 12 minutes?

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