मुफ्त क्रमचय कैलकुलेटर
क्रमचय (परम्युटेशन) nPr की गणना करें। n और r दर्ज करके क्रमों की संख्या पाएं।
Permutations
720
N Factorial3,628,800
N Minus R Factorial5,040
सूत्र
## How to Calculate Permutations ### Formula **P(n, r) = n! / (n - r)!** Where: - **n** = total number of items - **r** = number of items being chosen - **!** = factorial Permutations count arrangements where **order matters**.
हल किया गया उदाहरण
How many ways can you arrange 3 items from a set of 10? (Order matters)
- 01P(10, 3) = 10! / (10-3)!
- 02= 10! / 7!
- 03= 10 × 9 × 8
- 04= 720
अक्सर पूछे जाने वाले प्रश्न
What is a permutation?
A permutation is an arrangement of objects where the order matters. For example, the arrangements ABC and BAC are different permutations.
What is the difference between permutation and combination?
Permutations count arrangements where order matters (ABC ≠ BAC). Combinations count selections where order does not matter (ABC = BAC).
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