Total population of the world till the end of 20th century will become – McqOptions

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1.	Total population of the world till the end of 20th century will become
A.	\[5\times {{10}^{9}}\]
B.	\[5.35\times {{10}^{9}}\]
C.	\[7.5\times {{10}^{9}}\]
D.	\[6\times {{10}^{9}}\]
Answer» D. \[6\times {{10}^{9}}\]

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