In a school there are 60% boys and rest are girls. If number of girls is 360 then find the total number of boys in the school.
40% → 360 ⇒ 60% → (360/40) × 60 = 540
In an election, a voter may vote for any number of candidates not greater than the number to be chosen. There are 8 candidates and 5 members are to be c...
How many five digit numbers can be formed using the digits 0, 1, 2, 3, 4 and 5 which are divisible by 5, without repeating the digits?
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.
In how many ways 6 novels and 7 notebooks can be arranged in a row so that they are alternate?
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?
How many 8 digit numbers can be formed using the digits 1, 2, 0, 2, 4, 1, 2, 4 ?
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?
In how many different ways can the letters of the word QUANTITY be arranged so that the vowels always come together?
In how many ways can the letters of the word VOWEL can be arranged so that all the consonants occupy odd places, vowels come on even places?
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 ...
