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Recent questions tagged q6

From the sets given below,select equal sets $A={2,4,8,12},B={1,2,3,4},C={4,8,12,14},D={3,1,4,2},E={-1,1},F={0,a},G={1,-1},H={0,1}$

asked May 23, 2014 by sreemathi.v

1 answer

Match each of the set on the left in the roster form with the same set on the right described in set-builder form :

asked May 23, 2014 by sreemathi.v

1 answer

Find the equation of the line parallel to $y$ - axis and drawn through the point of intersection of the lines $x – 7y + 5 = 0$ and $3x + y = \theta.$

asked May 20, 2014 by thanvigandhi_1

1 answer

Prove that $\cos \theta \cos\large\frac{\theta}{2}-$$\cos 3\theta\cos \large\frac{9\theta}{2}=$$\sin 7\theta\sin 8\theta$

asked May 20, 2014 by sreemathi.v

1 answer

From 4 officers and 8 jawans,a committee of 6 is to be chosen to include exactly one officer.The number of such committees is

asked May 19, 2014 by sreemathi.v

1 answer

How many committee of five persons with a chairperson can be selected from 12 persons

asked May 15, 2014 by sreemathi.v

1 answer

The English alphabet has 5 vowels and 21 consonants.How many words with two different vowels and two different consonants can be formed from the alphabet?

asked May 14, 2014 by sreemathi.v

1 answer

Determine the number of 5 cards combination out of a deck of 52 cards if there is exactly one ace in each combination

asked May 14, 2014 by sreemathi.v

1 answer

Find $n$ if $^{n-1}P_3 : ^nP_4=1 : 9$

asked May 13, 2014 by sreemathi.v

1 answer

Given 5 flags of different colours,how many different signals can be generated if each signal requires the use of 2 flags,one below the other?

asked May 13, 2014 by sreemathi.v

1 answer

Prove the following statement by the principle of mathematical induction : \[\] $3^{2n}-1$ is divisible by 8, for all natural numbers $n$.

asked May 5, 2014 by thanvigandhi_1

0 answers

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