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In a group of 9 boys and 6 girls, 5 students have to be selected. In how many ways it can be done so that only 2 boys are included.
In how many different ways can the letter of the word WELCOME is arranged so that vowels always occur together?
How many 5-digit even numbers can be formed using the digits 0 to 9 if no digit is repeated?
Find the number of words that can be formed by using all letters of the word 'TANGLE', if it starts with letter G and end with letter A.
How many numbers of five digits may be formed with the digits 7, 2, 0, 0, and 1?
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...
In how many different ways can the letter of the word ‘PRAISE’ be arranged?
In how many different ways can the letter of the word ‘PRAISE’ be arranged?
There are 14 candidates for 5 post. In how many different ways can be post be filled?
In a group of 9 boys and 5 girls, 5 students have to be selected. In how many ways it can be done so that only 2 boys are included.
