Speed of train = 1600/10 = 160 m/sec Let the speed of the man be ‘s’ m/sec Relative speed of the train = (160 – s) m/sec According to the question, (160 – s) = 1600/16 Or, s = 160 – 100 = 60 Therefore, speed of the man = 60 m/sec
Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed
In how many ways can the letters of the word ‘MEDICAL’ be rearranged so that the vowels never come together?
A committee of 4 people is to be formed from a group of 10 individuals. If 2 specific individuals refuse to work together, how many different committees...
In how many different ways can the letter of the word ‘PRAISE’ be arranged?
In how many ways can a group of 2 boys and 2 girls be made out of a total of 6 boys and 4 girls?
How many digits are required to number a book containing 300 pages?
In how many different ways can the letters of the word "WINTER" be arranged so that the vowels are at the two ends?
In how many ways, can a team of 11 players be selected from a squad of 16 players?
Four dice are rolled simultaneously. What is the number of possible outcomes in which at least one of the die shows 2?
In how many different ways can the letters of word ‘PUMPKIN’ be arranged?
