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Caroline Wozniacki of Denmark won her first Grand Slam title by defeating Simona Halep (Romania) in Australian Open. Similarly Oliver Marach (Australian) and Mate Pavic (Croatia) won their first Grand Slam doubles title in Men's Doubles category. Women doubles won by Tímea Babos and Kristina Mladenovic.
In how many ways can a group of 2 boys and 2 girls be made out of a total of 6 boys and 4 girls?
In how many different ways can the letters of the word ‘PUBLIC’ be arranged in such a way that the vowels occupy only the odd positions?
In how many different ways can the letters of the word QUANTITY be arranged so that the vowels always come together?
There are 14 candidates for 5 post. In how many different ways can be post be filled?
In how many different ways can the letter of the word ‘PRAISE’ be arranged?
In how many ways can 7 boys and 2 girls can be seated in a row so that they are in alternate position.
How many different words can be formed with the letters of the word PRACTICE such that each of the word begin with E and ends with R?
In how many different ways can the letters of the word 'REMAINING' be arranged?