Mathematics questions
18011 published questions with worked solutions.
- The number of triangles that can be formed by 5 points in a line and 3 points on a parallel line is
- The number of five digits numbers that can be formed without any restriction, is
- Six points in a plane be joined in all possible ways by indefinite straight lines and if no two of them be coincident or...
- The number of ways can 10 letters be placed in 10 marked envelopes, so that no letter is in the right envelope are
- In how many ways can 5 keys be put in a ring?
- The total number of flags with three horizontal strips, in order, that can be formed using 2 identical red, 2 identical green and...
- There are n distinct points on the circumference of a circle. The number of pentagons that can be formed with these points as...
- The number of divisors of the number 38808 (excluding 1 and the number itself) is
- The number of ways in which mn students can be distributed equal among n sections, is
- A question paper is divided into two parts A and B and each part contain 5 questions. The number of ways in which a candidate can...
- The value of ^nP_r is equal to
- There are 3 men and 7 women taking a dance class. If N is number of different ways in which each man is paired with a woman...
- If N is the number of ways in which 3 distinct numbers can be selected from the set 3^1,3^2,3^3, ,3^ 10 so that they form a G.P....
- The number of three digit numbers having only two consecutive digits identical is N, then the value of (N/2)^ 1/2 is
- There are n distinct white and n distinct black balls. If the number of ways of arranging them in a row so that neighboring balls...
- Number of ways in which 7 people can occupy six seats, 3 seats on each side in a first class railway compartment if two specified...
- A man has 3 friends. If N is number of ways he can invite one friend everyday for dinner on 6 successive nights so that no friend...
- There are 720 permutations of the digits 1,2,3,4,5,6. Suppose these permutations are arranged from smallest to largest numerical...
- Number of ways in which the letters of the word 'ABBCABBC can be arranged such that the word ABBC does not appear is any word, is...
- If number of selections of 6 different letters that can be made from the words 'SUMAN' and 'DIVYA' so that each contains 3...