Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Let X be a set with exactly 5 elements and Y be a set with exactly 7 elements. If
is the number of one-one functions from X to Y and
is the number of onto functions from Y to X, then the value of
is_____.
Text Solution
Verified by ExpertsThe correct answer is:
119
(119)



──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
PART-I-PHYSICS
SECTION 1 (Maximum Marks: 24)
• This section contains SIX (06) questions.
• Each que…
Consider a thin square plate floating on a viscous liquid in a large tank. The height h of the liqu…
An infinitely long thin non-conducting wire is parallel to the z-axis and carries a uniform line ch…
A wire is bent in the shape of a right angled triangle and is placed in front of a concave mirror o…
In a radioactive decay chain, If nucleus decays to nucleus. Let and be the number of and part…
In an experiment to measure the speed of sound by a resonating air column, a tuning fork of frequen…