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How many different numbers, greater than 50000 can be formed with the digits 0, 1, 1, 5, 9.
Concept: undefined >> undefined
How many words can be formed from the letters of the word 'SERIES' which start with S and end with S?
Concept: undefined >> undefined
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How many permutations of the letters of the word 'MADHUBANI' do not begin with M but end with I?
Concept: undefined >> undefined
Find the number of numbers, greater than a million, that can be formed with the digits 2, 3, 0, 3, 4, 2, 3.
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There are three copies each of 4 different books. In how many ways can they be arranged in a shelf?
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How many different arrangements can be made by using all the letters in the word 'MATHEMATICS'. How many of them begin with C? How many of them begin with T?
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A biologist studying the genetic code is interested to know the number of possible arrangements of 12 molecules in a chain. The chain contains 4 different molecules represented by the initials A (for Adenine), C (for Cytosine), G (for Guanine) and T (for Thymine) and 3 molecules of each kind. How many different such arrangements are possible?
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In how many ways can 4 red, 3 yellow and 2 green discs be arranged in a row if the discs of the same colour are indistinguishable?
Concept: undefined >> undefined
How many numbers greater than 1000000 can be formed by using the digits 1, 2, 0, 2, 4, 2, 4?
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In how many ways can the letters of the word ASSASSINATION be arranged so that all the S's are together?
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Find the total number of permutations of the letters of the word 'INSTITUTE'.
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The letters of the word 'SURITI' are written in all possible orders and these words are written out as in a dictionary. Find the rank of the word 'SURITI'.
Concept: undefined >> undefined
If the letters of the word 'LATE' be permuted and the words so formed be arranged as in a dictionary, find the rank of the word LATE.
Concept: undefined >> undefined
If the letters of the word 'MOTHER' are written in all possible orders and these words are written out as in a dictionary, find the rank of the word 'MOTHER'.
Concept: undefined >> undefined
If the permutations of a, b, c, d, e taken all together be written down in alphabetical order as in dictionary and numbered, find the rank of the permutation debac ?
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Find the total number of ways in which six ‘+’ and four ‘−’ signs can be arranged in a line such that no two ‘−’ signs occur together.
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In how many ways can the letters of the word
"INTERMEDIATE" be arranged so that:the vowels always occupy even places?
Concept: undefined >> undefined
In how many ways can the letters of the word "INTERMEDIATE" be arranged so that:
the relative order of vowels and consonants do not alter?
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The letters of the word 'ZENITH' are written in all possible orders. How many words are possible if all these words are written out as in a dictionary? What is the rank of the word 'ZENITH'?
Concept: undefined >> undefined
Find the square root of the following complex number:
−5 + 12i
Concept: undefined >> undefined
