pls tell the answers of 15 16 17 nd 18 pls frnds its very urgent i have my exams tomorrow !!!!
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You can to use the formula of compound interest
5400= V(1+8/100)
5400×25/27= V
5000
5400= V(1+8/100)
5400×25/27= V
5000
Answered by
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16) Let the population of the town an year ago be = x
The present population of the town be = x + 8/100... (as 8% of the population increases annually)
and the present population = 54000
so ,
108x/100 = 54000
x = 50000..
The present population of the town be = x + 8/100... (as 8% of the population increases annually)
and the present population = 54000
so ,
108x/100 = 54000
x = 50000..
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Depreciates percentage = 20%
So, the present value = Value of last year - Depreciate amount = x−x×20100 = x−x5 = 5x−x5 = 4x5
And the given present value = Rs.160000
So; 4x5 = 160000
⇒x = 160000×54 = 40000×5 = 200000
So, the value of machine last year = Rs.200000