Question
How many four digit numbers can be formed using the digits {1, 3, 4, 5, 7,9}(repetition of digits is not allowed)?
Answer: Option A
THE GIVEN DIGITS ARE SIX.
THE NUMBER OF FOUR DIGIT NUMBERS THAT CAN BE FORMED USING SIX DIGITS IS ⁶P₄ = 6 * 5 * 4 * 3 = 360.
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THE GIVEN DIGITS ARE SIX.
THE NUMBER OF FOUR DIGIT NUMBERS THAT CAN BE FORMED USING SIX DIGITS IS ⁶P₄ = 6 * 5 * 4 * 3 = 360.
Was this answer helpful ?
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