Question
In how many ways 6 novels and 7 notebooks can be arranged in a row so that they are alternate?
More Permutation and combination Questions
- Number of 4-digit numbers that can be formed using digits 1–9 without repetition and are divisible by 5.
- How many 5-digit numbers can be formed using digits 1–7 such that digits are odd-even-odd-even-odd?
- History books are never together.
- In How many ways can a student choose a program of 5 courses, if 9 courses are available and 2 courses are compulsory for every student?
- In how many ways a Cricketer can make a Double century with fours and Sixes only?
- In how many different ways can the letters of the word “DISCHARGE” be arranged in such a way that the vowels always come together?
- Nine boys have to stand in a circle. In how many ways they are to be stand on the circumference of circle?
- From 10 musicians and 5 singers, a band of 8 members is to be formed. In how many ways can the band be formed such that there are at least 6 musicians?
- How many different ways can the letters of the word ‘DEMONETIZATION’ be arranged?
- Geography books are always together.
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