IIT JEE Advanced 2025 Paper-1 | S be set of all seven-digit numbers that can be formed | Permutation

Описание: About this Video -
In this video we have discussed an Easy and GOOD Question of IIT JEE Advanced 2025 Permutation & Combination Chapter. Asked in IIT JEE Advanced 2025 Paper 1 of Marks (+4, 0), which is Integer type Question. It is a very GOOD question based on fundamental concept of Fundamental Principle of Counting. Here we will revise every aspect of the theory part related to the question. After seeing the video you will able to solve such problems very easily......

Question:
Let S be the set of all seven-digit numbers that can be formed using the digits 0, 1 and 2. For example, 2210222 is in S, but 0210222 is not in S. Then the number of elements x is S such that at least one of the digits 0 and 1 appears exactly twice in x, is equal to____________.
Ans: 762 [IIT Adv. 2025 Paper-1, Marks (+4, 0)]



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