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MODERN PUBLICATION-PERMUTATIONS AND COMBINATIONS-EXERCISE
- Find the number of ways in which n things of which r are alike, can be...
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- The Prime Ministers of 8 countries meet together to discuss a problem....
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- In how many ways can 8 girls be seated at a round table, provided Parv...
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- Evaluate the following : "^12C7.
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- Evaluate the following : "^10C8.
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- Evaluate the following : "^9C0.
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- Evaluate the following : "^50C47.
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- Evaluate the following : "^15C14.
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- Evaluate the following : "^10C4+ ^10C5.
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- Evaluate the following : "^13C6+ ^13C5.
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- Evaluate the following : "^19C17+ ^19C18.
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- Evaluate the following : "^61C57- ^60C56.
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- Evaluate the following : "^25C22- ^24C21.
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- Evaluate the following : "^31C26- ^30C26.
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- Verify that : "^8C4+ ^8C3= ^9C4.
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- If "^nC8= ^nC2, find "^nC2.
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- If "^nC10= ^nC12, determine n and hence "^nC5.
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- If "^nC9= ^nC8, find ^nC17.
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- Verify that 2 C (7,4)= C(8,4).
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- Find n if "^nC2 = ^nC3.
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