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Question
Estimate the following numbers to nearest tens and then add or subtract.
Solution
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A survey conducted on an Indian state shows that 1623546 people have only primary education; 9768678 people have secondary education; 6837954 people have higher education and 2684536 people are illiterate. If the number of children below the age of school admission is 698781, find the total population of the state.
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By how much is 5643879 smaller than one crore?
Estimate each sum to the nearest ten: (57 + 34)
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Give a rough estimate (by rounding off to nearest hundreds) and also a closer estimate (by rounding off to nearest tens):
4853 + 662
