RRB RPF RPSF SI and CONS Model Papers 1 with solutions

Question : 25 of 120

Marks: +1, -0

A bookseller makes 8% profit after selling the book at 10% discount. The ratio of the cost price to the marked price is

Solution:

(c)

Let cost price (C.P.) = ₹ x
& Marked price (M.P.) = ₹ 100

x θ { 108 }/ { 100 } = 90

x = { 90 × 100 } /{ 108 }

Cost price : Marked price

{ 90 × 100 }/ { 108 } : 100 = 5 : 6

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