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There are 5 green balls of different sha...

There are 5 green balls of different shades and 4 red balls of identical shades. No. of ways of arranging them in a row so that ·
green and red balls come alternatively is

A

120

B

140

C

180

D

200

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-PRACTICE EXERCISE
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  2. There are 5 green balls of different shades and 4 red balls of identic...

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  3. There are 5 green balls of different shades and 4 red balls of identic...

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  4. The number of numbers greater than a million that can be formed with t...

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  5. The number of ways in which 5 beads of different colours can be made i...

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  6. The number of ways can five men sit around table so that all shall not...

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  7. Number of ways 15 persons be seated round a table if there are 7 seats...

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  9. The number of ways in which 5 red beeds and 4 yellow beeds of...

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  10. All the numbers that can be formed using the digits 1,2,3,4,5 a...

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  11. The sum of numbers formed by taking all the digits 2, 4, 6, 8 is

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  12. The sum of all possible numbers greater than 10,000 formed by using {1...

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  13. The sum of all the numbers greater than 10000 formed by using digits 0...

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