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Start learning 50% faster. Sign in nowThe logic is followed here- 19 x 6 = 114 x 4 = 456 16 x 5 = 80 x 4 = 320 Similarly, 18 x 9 = 162 x 4 = 648
Find the number of words that can be formed by using all letters of the word ' PAINTING', if it starts with letter A and end with letter T.
7 children are to be selected from a group of 8 boys and 6 girls. In how many ways will the children with at most 3 girls and at least 4 boys be selected?
There are two types of animals in a pet shop. Some are puppies and some are kittens. Each kitten takes 8 biscuits and each puppy takes 11 biscuits. If 5...
A group consists of 7 boys and 12 girls. In how many ways can 3 boys and 5 girls be selected from the group?
A selection of 7 cars must be made from a total of 13 cars for an exhibition. However, one specific car must always be included in the selection. If the...
In how ways can the selection be made so that a particular member is always included?
Find the quantity of arrangements of the letters of the word INDEPENDENCE if all the vowels always occur together?
In how many ways can 3 boys and 2 girls can be seated in a row so that they are in alternate position.
6 students appear in an examination. In how many ways can the result be announced?