Ram estimated the sum of 120 and240 rounded off to hundreds in two ways. Method 1:He approximated the individual values correct to hundreds place and then added the numbers. Method 2: He added the numbers and then approximated the sum correct to hundreds place. Find the difference between the answers obtained by the two methods. please solve this problem.
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the number ending in 01 to 49 are rounded off downwards
lf the number ending in 50 to 99 are rounded off upwards
now, we have to find out
sum of 120 and 240
method 1
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120 rounded off to hundreds=> 100
240 rounded off to hundreds=> 200
sum:- 100+200= 300
method 2
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added first=> 120+240= 360
360 rounded off to hundreds=>400
difference
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400-300= 100
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