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InterviewSolution
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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): (a) 439 + 334 + 4317 (b) 1,08,737 – 47,599 (c) 8325 – 491 (d) 4,89,348 – 48,365 |
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Answer» (a) 439 round off to 400 334 round off to 300 4317 round off to 4300 Estimated sum = 400+300+4300 = 5000 (b) 108734 round off to 108700 47599 round off to 47600 Estimated difference = 108700-47600 = 61100 (c) 8325 round off to 8300 491 round off to 500 Estimated difference = 8300-500 = 7800 (d) 489348 round off to = 489300 48365 round off to = 48400 Estimated difference = 489300-48400 = 440900 |
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