Answer:
Firstly, draw the number line and divide the unit length between two whole numbers into 10 equal parts, each of these equal parts represents 0.1 or 1/10. Now, locate the given decimals on this line. (a) We have, 0.8. From the above figure, it is clear that number 0.8 lies between the whole numbers 0 and 1. Hence, number 0.8 is nearer to number 1. (b) We have, 5.1. From the above figure, it is clear that number 5.1 lies between the whole numbers 5 and 6. Hence, number 5.1 is nearer to number 5. (c) We have, 2.6. From the above figure, it is clear that number 2.6 lies between the whole numbers 2 and 3. Hence, number 2.6 is nearer to number 3. (d) We have, 6.4. From the above figure, it is clear that number 6.4 lies between the whole numbers 6 and 7. Hence, number 6.4 is nearer to number 6. (e) We have, 9.1. From the above figure, it is clear that number 9.1 lies between the whole numbers 9 and 10. Hence, number 9.1 is nearer to number 9. (f) We have, 4.9 From the above figure, it is clear that number 4.9 lies between the whole numbers 4 and 5. Hence number 4.9 is nearer to number 5. Note A decimal will be nearer to that number from, which it has minimum distance, e.g. 6.4 lies between 6 and 7 and its distance from 6 (distance 4 parts) is minimum than 7 (distance 6 parts).
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