A) \[5\times {{10}^{9}}\]
B) \[5.35\times {{10}^{9}}\]
C) \[7.5\times {{10}^{9}}\]
D) \[6\times {{10}^{9}}\]
Correct Answer: C
Solution :
Total population of the world till the end of 20th century will become 7.5×109 = 750 crore.You need to login to perform this action.
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