Let {\R} be a relation from the set \{1,2,3, . . ., 60\} to itself such that R=\{(a, b): b=p q, where p, q \geq 3 are prime numbers \}. Then, the number of elements in {\R} is: [29-Jul-2022-Shift-1]

Sets and Relations Part 1

Section: Mathematics

Question : 68 of 112

Marks: +1, -0

Let R be a relation from the set {1,2,3,...,60} to itself such that R={(a,b):b=pq, where p,q≥3 are prime numbers }. Then, the number of elements in R is:

[29-Jul-2022-Shift-1]

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