ICSE Class 9 Answered
Rs.4000/- amounts to Rs.5,000 in 8 years, in what time will rs.2,100/- amount to Rs.2,800/- at the same rate?
Asked by naveena | 25 Oct, 2013, 09:48: PM
Expert Answer
From Rs. 4000 to Rs. 5000 i.e. the increment of Rs. 1000 takes 8 years.
We need to find out the time taken for the increment of Rs. 700 i.e. Rs. (2800 - 2100)?
We need to find out the time taken for the increment of Rs. 700 i.e. Rs. (2800 - 2100)?
For Rs. 1000, the time taken for increment = 8 years.
Hence, for Rs. 700, the time taken for increment will be: [8/1000 x 700]
On solving the above equation, we get the time to be 5.6 years.
Answered by | 26 Oct, 2013, 03:00: PM
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