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The number of 4 digit numbers greater than 5000 can be formed out of the digits 3,4,5,6 and 7 (no. Digit is repeated ). The number of such is
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The number of 4 digit numbers greater than 5000 can be formed out of t...
Problem:
The number of 4-digit numbers greater than 5000 can be formed out of the digits 3, 4, 5, 6 and 7 (no digits are repeated). The number of such numbers is?
Solution:
To form a 4-digit number greater than 5000, we need to choose the first digit as 5, 6, or 7.
- If the first digit is 5, the remaining three digits can be chosen in 4P3 ways (permutations of 4 digits taken 3 at a time).
- If the first digit is 6, the remaining three digits can be chosen in 3P3 ways (permutations of 3 digits taken 3 at a time).
- If the first digit is 7, the remaining three digits can be chosen in 2P3 ways (permutations of 2 digits taken 3 at a time).
Therefore, the total number of 4-digit numbers greater than 5000 that can be formed out of the digits 3, 4, 5, 6 and 7 is:
4P3 + 3P3 + 2P3 = 24 + 6 + 0 = 30
Answer:
The number of 4-digit numbers greater than 5000 that can be formed out of the digits 3, 4, 5, 6 and 7 (no digits are repeated) is 30.
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The number of 4 digit numbers greater than 5000 can be formed out of the digits 3,4,5,6 and 7 (no. Digit is repeated ). The number of such is?
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The number of 4 digit numbers greater than 5000 can be formed out of the digits 3,4,5,6 and 7 (no. Digit is repeated ). The number of such is? for CA Foundation 2024 is part of CA Foundation preparation. The Question and answers have been prepared according to the CA Foundation exam syllabus. Information about The number of 4 digit numbers greater than 5000 can be formed out of the digits 3,4,5,6 and 7 (no. Digit is repeated ). The number of such is? covers all topics & solutions for CA Foundation 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The number of 4 digit numbers greater than 5000 can be formed out of the digits 3,4,5,6 and 7 (no. Digit is repeated ). The number of such is?.
The number of 4 digit numbers greater than 5000 can be formed out of the digits 3,4,5,6 and 7 (no. Digit is repeated ). The number of such is? for CA Foundation 2024 is part of CA Foundation preparation. The Question and answers have been prepared according to the CA Foundation exam syllabus. Information about The number of 4 digit numbers greater than 5000 can be formed out of the digits 3,4,5,6 and 7 (no. Digit is repeated ). The number of such is? covers all topics & solutions for CA Foundation 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The number of 4 digit numbers greater than 5000 can be formed out of the digits 3,4,5,6 and 7 (no. Digit is repeated ). The number of such is?.
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