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eLitmus

Tot. Mock Test: 13+

Tot. Exam. Sec.: 3+

Total Practice Qs: 52+

SHSTTON

Solv. Corr.

Solv. In. Corr.

124

Attempted

0 M:0 S

Avg. Time

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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Tags: TCS Green Valley Motor

SHSTTON

Solv. Corr.

100

Solv. In. Corr.

170

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

ENone of these

View Answer | Submit Your Solution | Important Formulas | Topic: Permutation and Combination |

Asked In eLitmus |

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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