RRB NTPC Mains or Stage 2 Model Paper 7 with solutions

Question : 30 of 120

Marks: +1, -0

A dealer sold a mixer for ₹420 at a loss of 12.5%. At what price should he have sold it to gain 12.5%.

Solution:

(b)

(100 – loss) : S_1 : : (100 + gain) : S_2

∴(100 – 12.5) : 420 : : (100 + 12.5) : S_2

87.5 : 420 : : 112.5 : S_2

⇒87.5:420::112.5:s_2

⇒S_2 ={420 ×1125}/875= 540

Go to Question:

Prev Question

Next Question