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Sets and Relations question

2022 · 28 Jun · Shift 1 · Q35

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JEE Main
Mathematics
Sets and Relations
2022 · 28 Jun · Shift 1 · Q35

Sets and Relations question

2022 · 28 Jun · Shift 1 · Q35

JEE MainMathematicsSets and RelationsNumerical+4 / −1

Let R1 and R2 be relations on the set {1, 2, ......., 50} such that R1 = {(p, pn) : p is a prime and n

\ge

0 is an integer} and R2 = {(p, pn) : p is a prime and n = 0 or 1}. Then, the number of elements in R1

-

R2 is

\underline{\hspace{2cm}}

.

Numerical answer

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