Que: A partial order P is defined on the set of natural numbers as follows. Here a/b denotes integer division. i)(0, 0) ∊ P. ii)(a, b) ∊ P if and only if a % 10 ≤ b % 10 and (a/10, b/10) ∊ P. Consider the following ordered pairs: i. (101, 22) ii. (22, 101) iii. (145, 265) iv. (0, 153) The ordered pairs of natural numbers are contained in P are ______ and ______

a. (145, 265) and (0, 153)
b. (22, 101) and (0, 153)
c. (101, 22) and (145, 265)
d. (101, 22) and (0, 153)
Answer: (101, 22) and (0, 153)

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