RRB RPF RPSF SI and CONS Model Papers 1 with solutions

Question : 7 of 120

Marks: +1, -0

By selling 8 dozen pencils, a shopkeeper gains the selling price of 1 dozen pencils. What is the gain?

Solution:

x

Profit = ₹

x

Cost price of 8 dozen pencil = ₹

7x

Gain percent

= { { x } }/ { 7 { x } } ×100

= { 100 } /{ 7 } = 14 { 2 } /{ 7 } \%

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