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QUIZ

1.

In how many ways can 4 red, 3 yellow and 2 green discs be arranged in a row if the discs of the same colour are indistinguishable?

2.

How many 4-digit numbers can be formed by using the digits 1 to 9 if repetition of digits is not allowed?

3.

Find the numbers of 4 digit numbers that can be formed using the digits 1,2,3,4,5, if no digit is used more than once in a number. How many of these numbers will be even?

4.

How many numbers lying between 100 and 1000 can be formed with the digits 0,1,2,3,4,5, if the repetition of the digits is not allowed?

5.

How many 6-digit numbers can be formed from the digits 0,1,3,5,7 and 9 which are divisible by 10 and no digit is repeated?

6.

How many 4-digit numbers are there with no digit repeated?

7.

How many three-digit numbers are there, with no digit repeated?

8.

How many 3-digit even numbers can be made using the digits 1,2,3,4,5,6,7, if no digit is repeated?

9.

How many odd numbers greater than 80000 can be formed using the digits 2,3,4,5 and 8 if each digit is used only once in a number?

10.

How many even numbers are there with three digits such that if 5 is one of the digits, then 7 is the next digit?

Answers

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QUIZ

1. In how many ways can 4 red, 3 yellow and 2 green discs be arranged in a row if the discs of the same colour are indistinguishable?

2. How many 4-digit numbers can be formed by using the digits 1 to 9 if repetition of digits is not allowed?

3. Find the numbers of 4 digit numbers that can be formed using the digits 1,2,3,4,5, if no digit is used more than once in a number. How many of these numbers will be even?

4. How many numbers lying between 100 and 1000 can be formed with the digits 0,1,2,3,4,5, if the repetition of the digits is not allowed?

5. How many 6-digit numbers can be formed from the digits 0,1,3,5,7 and 9 which are divisible by 10 and no digit is repeated?

6. How many 4-digit numbers are there with no digit repeated?

7. How many three-digit numbers are there, with no digit repeated?

8. How many 3-digit even numbers can be made using the digits 1,2,3,4,5,6,7, if no digit is repeated?

9. How many odd numbers greater than 80000 can be formed using the digits 2,3,4,5 and 8 if each digit is used only once in a number?

10. How many even numbers are there with three digits such that if 5 is one of the digits, then 7 is the next digit?

Answers

Quick Link

Contact

Popular Courses

Gallery

1.

In how many ways can 4 red, 3 yellow and 2 green discs be arranged in a row if the discs of the same colour are indistinguishable?

2.

How many 4-digit numbers can be formed by using the digits 1 to 9 if repetition of digits is not allowed?

3.

Find the numbers of 4 digit numbers that can be formed using the digits 1,2,3,4,5, if no digit is used more than once in a number. How many of these numbers will be even?

4.

How many numbers lying between 100 and 1000 can be formed with the digits 0,1,2,3,4,5, if the repetition of the digits is not allowed?

5.

How many 6-digit numbers can be formed from the digits 0,1,3,5,7 and 9 which are divisible by 10 and no digit is repeated?

6.

How many 4-digit numbers are there with no digit repeated?

7.

How many three-digit numbers are there, with no digit repeated?

8.

How many 3-digit even numbers can be made using the digits 1,2,3,4,5,6,7, if no digit is repeated?

9.

How many odd numbers greater than 80000 can be formed using the digits 2,3,4,5 and 8 if each digit is used only once in a number?

10.

How many even numbers are there with three digits such that if 5 is one of the digits, then 7 is the next digit?