Cost price of 1 apple = 60/25 = Rs.2.4 Selling price of 1 apple = 2.4 × 125% = Rs.3 Required number = 42/3 = 14
8 students appear in an examination. In how many ways can the result be announced?
How many four digit numbers greater than 5000 can be formed with the digits 4 ,5, 7, 8, and 9?
In how many ways a Cricketer can make a Double century with fours and Sixes only?
In how many ways Barcelona’s football team captain and vice-captain be elected from a team of 15 men?
How many three-letter words can be formed such that all letters are vowels, and no two letters are the same?
In how many different ways can the letter of the word WELCOME is arranged so that vowels always occur together?
An examinee is required to answer the eight questions out of 16 questions which are divided into two groups each containing eight questions each and he...
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.
Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed
In how many different ways can the letters of the word ‘NATURE’ be arranged in such a way that the vowels occupy only the odd positions?
