Question

Which of the following number is represented in the given figure on the number line at last step?

• A. 4.8
• B. 4.87
• C. 4.863
• D. 4.862

Answer 1

The correct option is C 4.863

Number line is magnified between 4 and 5.

(i) Distance between 4 and 5 is divided into 10 equal intervals.
(ii) Interval 4.8-4.9 is taken, and then further divided into 10 equal intervals.
(iii) Interval 4.86-4.87 is taken, and then further divided into 10 equal intervals.
(iv) Point 4.863 which is seventh from the left of 4.87 and third from the right of 4.86 is marked.
Hence, the number represented on the above number line is 4.863.