how many words can be formed from word article
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Here no of positions is: 7
No of articles: 3
So these articles should be placed at 2nd ,4th and 6th positions. No of way they can be placed is 3×2×1=6.(3!)
And the we have to place consonant in 1st,3th,5th and 7th position. No ways to placed them is 4×3×2×1=12(4!)
And the total no of ways we can arrange it is :
4!×3!=12×6=60
Answer is 60 ways
No of articles: 3
So these articles should be placed at 2nd ,4th and 6th positions. No of way they can be placed is 3×2×1=6.(3!)
And the we have to place consonant in 1st,3th,5th and 7th position. No ways to placed them is 4×3×2×1=12(4!)
And the total no of ways we can arrange it is :
4!×3!=12×6=60
Answer is 60 ways
Jibin555:
60 I THINK
yeah 60
ok
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60 i think hope it helps
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