If 91 programmers can type 91 lines in 91 mins then how many programmer can type 13 lines in 13

91 programmer write 91 lines in=91 min
91 programmer write 13 lines=91*13/91=13 min

so ans is 91 programmer..
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This Question tells that:

91 programmers together write 1 line in 1 minute

Thus ,91 programmers will write 13 lines in 13 minutes.

Answer: 91 programmers
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total programmers=91
so 91 programmers can type 13 lines in 13 min
Ans is 91
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91 programmer can type 91 lines in 91 mins that means 1 programmer write 1 lin in 1 minute.
Hence 13 programmer write 13 lines in 13 minutes.

hence the ans is 13 programmer.
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91 pgmrs 91 lines=91mins
13 pgmrs 13 lines=13mins
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13 PROGRAMMERS CAN TYPE 13 LINES IN 13 MINS
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13 programmers
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13 programmers
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it's clearly show that 1 programmer can type 1 line in 1 min so 1 programmer can also write 13 line in 13 min
ans 1 programmer
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If 91 programmers can type 91 lines in 91 mins then how many programmer can type 13 lines in 13 mins??