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The inaugural meeting of the Inland Waterways Development Council (IWDC) was held in Kolkata.
In how many different ways can 6 boys and 3 girls to be seated in a row such that all the boys seated together and all the girls seated together?
A Consignment of 12 mobile phones contains 4 defectives. The mobile phones are selected at random one by one and examined. The ones examined are not pu...
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?
History books are never together.
How many 5-digit even numbers can be formed using the digits 0 to 9 if no digit is repeated?
Determine the number of unique arrangements of the letters in “ELEPHANT” if the vowels always stay together.
How many four digit numbers greater than 5000 can be formed with the digits 4 ,5, 7, 8, and 9?
In a Group of 8 boys and 6 girls, Six children are to be selected. In how many different ways can they be selected such that at least one boy should be ...
How many words can be formed from the word INCREASE in which both E’s do not come together?
In how many ways can the letters of the word ENGINEERING be arranged?