Practice Decimal Fraction – A completes a work in 2 days, B in 4 days, C in 9 and D in 18 days. They form group of two such that difference is maximum between them to complete the work. What is difference in the number of days they complete that work?
Practice Decimal Fraction – What comes next in the sequence?
4, 2, 5, 9, 5, 11, 13, 7, 16, 17, 9
Practice Decimal Fraction – In how many ways can 5 members be selected out of 10 members,so that any two particular members must always be excluded?
Practice Decimal Fraction – In how many ways can 8 identical pens be distributed among Amal, Bimal, and Kamal so that Amal gets at least 1 pen, Bimal gets at least 2 pens, and Kamal gets at least 3 pens7
Practice Decimal Fraction – In how many ways can 7 identical erasers be distributed among 4 kids in such a way that each kid gets at least one eraser but nobody gets more than 3 erasers?
Practice Decimal Fraction – How many four digit numbers, which are divisible by 6, can be formed using the digits 0, 2, 3, 4, 6, such that no digit is used more than once and 0 does not occur in the left-most position?
Practice Decimal Fraction – Fifty college teachers are surveyed as to their possession of colour TV, VCR and tape recorder. Of them, 22 own colour TV, 15 own VCR and 14 own tape recorders. Nine of these college teachers own exactly two items out of colour TV, VCR and tape recorder; and, one college teacher owns all three. How many of the 50 teachers own none of the three, colour TV, VCR or tape recorder?
Practice Decimal Fraction – A password consists of two letters of the alphabet followed by three digits chosen from 0 to 9. Repeats are allowed. How many different possible passwords are there?
Practice Decimal Fraction – 105 shake hands were exchanged in a meeting, each person shakes hands with every other person only once.How many people were present in the meeting?
Practice Decimal Fraction – Five different roads join a village to nearby city. The no. of different ways in which a person can go to town and come back is ?
Practice Decimal Fraction – how many matches would have to be played to decide a winner in a knockout tournament consisting of eight teams?
Practice Decimal Fraction – How many ways word “ORANGE” can be arranged, In which vowels are not together
Practice Decimal Fraction – How many words can be formed using the letters of the word “CORRESPONDANCE” if the consonants are always written together?
Practice Decimal Fraction – 8 chairs are numbered from 1 to 8. Two women first choose two chairs from those marked 1 to 4 and 3 men selects 3 chairs from the remaining. Find the number of possible arrangements
Practice Decimal Fraction – A father of 6 children takes 2 of his children at a time to a circus as often as he can, without taking the same pair of children together more than once. How many times does the father go tothe circus?