Permutations and Combinations questions
785 published questions with worked solutions.
- All letters of the word EAMCET are arranged in all possible ways. The number of such arrangement in which no two vowels are...
- How many words can be made from the letters of the word 'COMMITTEE'?
- Eight different letters of an alphabet are given. Words of four letters from these are formed. The number of such words with at...
- The number of ways of arranging 8 men and 4 women around a circular table such that no two women can sit together, is
- In how many ways a garland can be made from exactly 10 flowers?
- 20 persons are invited for a party. In how many different ways can they and the host be seated at circular table, if the two...
- The number of ways that 8 beads of different colures be string as a necklace, is
- The number of ways in which 6 men and 5 women can dine at a round table, if no two women are to sit together, is
- In how many ways can 5 boys and 5 girls sit in a circle so that no two boys sit together?
- The number of ways in which 6 rings can be worn on four fingers of one hand, is
- From 12 books, the difference between number of ways a selection of 5 books when one specified book is always excluded and one...
- The number of ways of distributing 8 identical balls in 3 distinct boxes, so that none of the boxes is empty, is
- Three straight lines L_1,L_2,L_3 are parallel and lie in the same plane. A total of m points are taken on L_1, n points on L_2, k...
- If ^ n-1 C_3+ ^ n-1 C_4> ^nC_3, then n is just greater than integer
- If ^ 189 C_ 35 + ^ 189 C_x= ^ 190 C_x, then x is equal to
- The number of selecting at least 4 candidates from 8 candidates is
- In a club election the number of contestants is one more than the number of maximum candidates for which a voter can vote. If the...
- A student is to answer 10 out of 13 questions in an examination such that he must choose at least 4 from the first five...
- There are 5 roads leading to a town from a village. The number of different ways in which a village can go to the town and return...
- A father with 8 children takes 3 at a time to the zoological garden, as often as he can without taking the same 3 children...
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration