8.IHlactorytheproductionofscootersroseto48400from40000in 2 years. Find

1.	8.IHlactorytheproductionofscootersroseto48400from40000in 2 years. Find the rate ofgrowth per annum.a) 7b) 8c) 9d) 10
Answer» 48000 = 40000(1+r/100)^2 ( The formula is a(1+r/100)^n (1+r/100)^2 = 484/400 (1+r/100)^2 = (22/20)^2 1 + r/100 = 22/20 r/100 = 22/20 - 1 = 1/10 r = 100/10 = 10. The rate of growth per annum = 10%.

8.IHlactorytheproductionofscootersroseto48400from40000in 2 years. Find the rate ofgrowth per annum.a) 7b) 8c) 9d) 10

Answer»

48000 = 40000(1+r/100)^2 ( The formula is a(1+r/100)^n

(1+r/100)^2 = 484/400

(1+r/100)^2 = (22/20)^2

1 + r/100 = 22/20

r/100 = 22/20 - 1

= 1/10

r = 100/10

= 10.

The rate of growth per annum = 10%.