Arrange the following countries, as largest countries by Area in the chronological order from highest to lowest in terms of the area.
A. India B. Canada C. Argentina D. Brazil
Countries Area Canada - 9,984,670 Km square Brazil - 8,514,877 Km square India - 3,287,263 Km square Argentina - 2,766,890 Km square
The ratio of age of A and his son is 9:2. If the difference of their ages 7 year ago is 21, then find the sum of ages of A and his son 13 year hence?
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Amit age after 13 years will be 3 times his age 5 years back. What is the present age of Amit?
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