CAT 2021 Slot 3 Solutions Quantitative Aptitude | 4 Digit Number | CAT 2022 Preparation

The best place to start your CAT preparation is CAT previous year's question paper. Solve this question that appeared in CAT 2021 Slot 3 question paper in one go and take your CAT preparation a notch above.

A four-digit number is formed by using only the digits 1, 2 and 3 such that both 2 and 3 appear at least once. The number of all such four-digit numbers is


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