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Practice Questions & Answers :: eLitmus

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Tot. Mock Test: 13+


Tot. Exam. Sec.: 3+


Total Practice Qs: 52+

NA
SHSTTON
21
Solv. Corr.
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Solv. In. Corr.
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51 / 52

Choose the correct option.

LEADING" arrange it in such a way that atleast two vowels always together ?


A3600

B2160

C5040

D720

 View Answer |  Submit Your Solution | Important Formulas | Topic: Permutation and Combination | Asked In TCSGreen Valley MotoreLitmus |

Answer: Option A

Explanation:

Total possible arrangement = 7! = 5040

Given condition 2 vowel should comes together : {_L_D_N_G_)

So, 3 vowels can be placed at 5 positions = 5p3 * 4! = 60*24 = 1440.

So required arrangements : (5040 - 1440) = 3600

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NA
SHSTTON
50
Solv. Corr.
63
Solv. In. Corr.
113
Attempted
0 M:38 S
Avg. Time

52 / 52

Choose the correct option.

23 people are there, they are shaking hands together, how many hand shakes possible, if they are in pair of cyclic sequence.


A23

B20

C22

D1

ENone of these

Answer: Option C

Explanation:

Here is no explanation for this answer

ShortCut By :: Narendra

n-people then arrange in Cyclic way. Possibilities is:  (n-1)

here 23 people then possible  is:(23-1)=>22.

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