Q27.Direction of the question: Solve the following question and mark the best possible option.
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 (in numerical value)
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Q27
28 Nov 2021
Q27.Direction of the question: Solve the following question and mark the best possible option.
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 (in numerical value)
