Recent questions tagged medium

Find the values of $k$ for which the line $(k-3)x-(4-k^2)y+k^2-7k+6=0$ is passing through the origin.

asked May 18, 2014 by thanvigandhi_1

1 answer

Find the values of $k$ for which the line $(k-3)x-(4-k^2)y+k^2-7k+6=0$ is Parallel to the $y$ axis.

asked May 18, 2014 by thanvigandhi_1

1 answer

Find the values of $k$ for which the line $(k-3)x-(4-k^2)y+k^2-7k+6=0$ is Parallel to the $x$ axis.

asked May 18, 2014 by thanvigandhi_1

1 answer

True-or-False:A candidate is required to answer 7 questions out of 12 questions which are divided into two groups,each containing 6 questions. He is not permitted to attempt more than 5 questions from either group. He can choose the seven questions in 650 ways.

asked May 16, 2014 by sreemathi.v

1 answer

A box contain 2 white balls,3 black balls and 4 red balls.The number of ways three balls be drawn from the box if at least one black ball is to be included in the draw is

asked May 16, 2014 by sreemathi.v

1 answer

The total number of ways in which six '+' and four '-' signs can be arranged in a line such that no two signs '-' occur together is

asked May 16, 2014 by sreemathi.v

1 answer

In a foot ball championship,$153$ matches were played. Every two teams played one match with each other. The number of teams,participating in the championship is

asked May 16, 2014 by sreemathi.v

1 answer

The number of six digit numbers,all digits of which are odd is

asked May 16, 2014 by sreemathi.v

1 answer

Three balls are drawn from a bag containing 5 red,4 white and 3 black balls.The number of ways in which this can be done if at least 2 are red is

asked May 16, 2014 by sreemathi.v

1 answer

The number of different words that can be formed from the letters of the word INTERMEDIATE.Such that two vowels never come together is ________

asked May 16, 2014 by sreemathi.v

2 answers

If $nP_r=840,nC_r=35$ then $r$=_______

asked May 16, 2014 by sreemathi.v

1 answer

Given 5 different green dyes ,four different blue dyes and three different red dyes,the number of combinations of dyes which can be chosen taking at least one green and one blue dye is

asked May 16, 2014 by sreemathi.v

1 answer

The number of words which can be formed out of the letters of the word ARTICLE,so that vowels occupy the even place is

asked May 16, 2014 by sreemathi.v

1 answer

The total number of 9 digit numbers which have all different digits is

asked May 16, 2014 by sreemathi.v

1 answer

The number of ways in which we can choose a committee from four men and six women so that the committee includes at least two men and exactly twice as many women and men is

asked May 16, 2014 by sreemathi.v

1 answer

The number of 5-digit telephone numbers having one of their digits repeated is

asked May 16, 2014 by sreemathi.v

1 answer

The number of triangles that are formed by choosing the vertices from a set of 12 points,seven of which lie on the same line is

asked May 16, 2014 by sreemathi.v

1 answer

Every body in a room shakes hands with everybody else.The total number of hand shakes is 66.The total number of persons in the room is

asked May 16, 2014 by sreemathi.v

1 answer

A five digit number divisible by 3 is to be formed using the numbers 0,1,2,3,4 and 5 without repetitions.The total number of ways this can be done is

asked May 16, 2014 by sreemathi.v

1 answer

Total number of words formed by 2 vowels and 3 consonants taken from 4 vowels and 5 consonants is equal to

asked May 16, 2014 by sreemathi.v

1 answer

A group consists of 4 girls and 7 boys.In how many ways can a team of 5 members be selected if the team has at least three girls

asked May 16, 2014 by sreemathi.v

1 answer