GATE (GA) Textile 2014 Question Paper Solution | GATE/2014/GA/05

Question 05 (General Aptitude)

The population of a new city is 5 million and is growing at 20% annually. How many years would it take to double at this growth rate ?

(A)3-4 years
(B)4-5 years
(C)5-6 years
(D)6-7 years
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Given in the question-
Initial population(P)=5 million
Growth rate (r)=20% annually
Final population(A)=10 MILLION
No. of years(n)=?
By formula-
n= 3 to 4 years (Ans)
Option A is correct.

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