If the cost of 10 pen is Rs.90 , then the cost of 19 pen is: – InterviewSolution

1.

If the cost of 10 pen is Rs.90 , then the cost of 19 pen is:

Answer»

Step-by-step EXPLANATION:

Cost of 10 pens = Rupees 90

Cost of 1 pen = 90/10

= 9

THEREFORE, cost of 19 pens = 19 × 9

=Rupees 171

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