RRB Paramedical Staff Nurse Model Paper 10

Question : 50 of 100

Marks: +1, -0

The price of commodity A increases by 40 paise every year, while the price of commodity B increases by 15 paise every year. If in 1998, the price of commodity A was Rs. 4.20 and that of B was Rs. 6.30, in which year commodity A will cost 40 paise more than the commodity B?

2008
2006
2005
2010

Validate

Solution:

Suppose price of commodity A will be more by 40 paise than Commodity B in x years.

(420 + 40 x ) -( 630 + 15 x ) = 40

25 x -210 = 40

x = 250/25 = 10

x = 10

years
In the year

(1998 + 10) = 2008

difference in price of both commodities would be 40 paise.

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