RRB NTPC Mains or Stage 2 Model Paper 5 with solutions

Question : 5 of 120

Marks: +1, -0

A trader marked a watch 40% above the cost price and then gave a discount of 10%. He made a net profit of ₹ 468 after paying a tax of 10% on the gross profit. What is the cost price of the watch?

₹ 1200
₹ 1800
₹ 2000
₹ 2340

Validate

Solution:

= x ×90 /100×140/100= {126x}/ 100

Profit =

{126x}/100- x {26x}/ 100

According to question,Pay 10% tax on profit

={26x} /100×90/100= 468

x ={468× 100× 100}/{26 ×90} = ₹2000

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