(a) If one pen costs 3, what is the cost of 10 such pens? – InterviewSolution

1.

(a) If one pen costs 3, what is the cost of 10 such pens?

Answer»

1 pen = RS. 310 pens = ?

1/10 = 3/x

1×x = 3×10

x= 30

10 pens for 30 RS.

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