Discussion
The points A and B represent numbers on a number line as shown below :
The distance between the points A and B is-
Answer: D
The distance is 22000 units.
Between 25000 and 39000 there are 7 equal intervals, so each interval is \( 14000 \div 7 = 2000 \). A is 3 intervals after 25000, and B is 7 intervals after 39000, which fits the 4 intervals from B to 61000:
\[ \begin{aligned} A &= 25000 + 3 \times 2000 = 31000 \\ B &= 39000 + 7 \times 2000 = 53000 \\ B - A &= 22000 \end{aligned} \]
22 units counts the intervals between points as if each were 1000, and 29000 and 84000 come from misreading the scale or adding the values.
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