Mathematics questions
18011 published questions with worked solutions.
- A lady given a dinner party for six guest. The number of ways in which they may be selected from among ten friends, if two of the...
- In a Mathematics paper there are three sections containing 4, 5 and 6 questions respectively. From each section 3 questions are...
- The number of ways in which a committee can be formed of 5 members from 6 men and 4 women if the committee has at least one...
- There are n different books and m copies of each in a college library. The number of ways in which a student can make a selection...
- The number of ways in which one can select three distinct integers between 1 and 30, both inclusive, whose sum is even, is
- The number of subsets of 1,2,3, ,9 containing at least one odd number is
- In a shop there are five types of ice-creams available. A child buys six ice-creams Statement 1: The number of different ways the...
- How many different words can be formed by jumbling the letters in the word MISSISSIPPI in which no two S are adjacent?
- A student is allowed to select at most n books from a collection of (2n+1) books. If the total number of ways in which he can...
- If P(n,r)=1680 and C(n,r)=70, then 69n+r! is equal to
- Four dice are rolled. The number of possible outcomes in which at least one dice shows 2 is
- p points are chosen on each of the three coplanar lines. The maximum number of triangles formed with vertices at these points is
- There are 10 lamps in a hall. Each one of them can be switched on independently. The number of ways in which the hall can be...
- The number of times the digit 5 will be written when listing the integers from 1 to 1000, is
- If ^nP_r=3024 and ^nC_r=126, then r is
- The letters of the word COCHIN are permuted and all the permutations are arranged in an alphabetical order as in an English...
- If a man and his wife enter in a bus, in which five seats are vacant, then the number of different ways they can be seated, is
- All possible two factors products are formed from numbers 1,2,3,4, ,200. The number of factors out of the total obtained which...
- The number of positive odd divisors of 216 is
- 7 relatives of a man comprise 4 ladies and 3 gentlemen his wife has also 7 relatives; 3 of them are ladies and 4 gentlemen. In...