Question
All 32 students in a class are standing in a row facing
north. Akash is 12th from the right end while Priya is 18th from the left end. How many people are standing between Akash and Priya?Solution
Number of students standing between Akash and Priya = 32 – (12 + 18) = 32 – 30 = 2
In how many ways can 12 girls be seated in a row of 50 seats so that no girl sits on the adjacent seat?
Five articles out of which 3 are cups and rest are glasses have to be arranged on a shelf. Find the number of ways of arrangement in which all three cup...
A group consists of 11 boys and 9 girls. In how many ways can 7 boys and 5 girls be selected from the group?
In how many different ways can the letters of the word ‘PADDLED’ be arranged?
In how many different ways can the letter of the word ‘STRONG’ be arranged?
From 6 officers and 8 Jawans, in how many ways can 5 be chosen to include exactly 3 officers?
- A group consists of 8 boys and 10 girls. In how many ways 5 boys and 4 girls can be chosen from the group?
Which of the following is TRUE for “complementary event or ‘not event’”?
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?
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 ...
