EASY
JKCET
IMPORTANT
Earn 100
A bag contains white marbles, black marbles and red marbles. In how many ways a group of marbles can be drawn from the box so that at least one black marble is always included in that group?
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Important Questions on Permutation and Combination
EASY
JKCET
IMPORTANT
Out of consonants and vowels from the standard English alphabets, how many words or strings that consist of consonants and vowels(without repetition of any alphabet) can be formed?
MEDIUM
JKCET
IMPORTANT
What is the number of different values of the products that can be done using two or more of the numbers and (A number can be used at most once)
MEDIUM
JKCET
IMPORTANT
Out of symbols, letters and numbers, how many strings can be formed each containing letters, symbols and beginning with a number?
