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A team of 4 students is to be sent for a competition. 12 students offered their services for the same . But from past experience, it was observed that 5 students who had offered the services were not true to their work and they did mischief one time or the other are not to be selected. In how many ways, can the 4 students be selected for a competition? |
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Answer» A team of 4 students is to be sent for a competition. 12 students offered their services for the same . But from past experience, it was observed that 5 students who had offered the services were not true to their work and they did mischief one time or the other are not to be selected. In how many ways, can the 4 students be selected for a competition? |
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