Recent questions tagged sec-b

If A={3,6,9,12,15,18,21},B={4,8,12,16,20},C={2,4,6,8,10,12,14,16},D={5,10,15,20} (iii) A-D

asked May 27, 2014 by sreemathi.v

1 answer

If A={3,6,9,12,15,18,21},B={4,8,12,16,20},C={2,4,6,8,10,12,14,16},D={5,10,15,20} (ii) A-C

asked May 27, 2014 by sreemathi.v

1 answer

If A={3,6,9,12,15,18,21},B={4,8,12,16,20},C={2,4,6,8,10,12,14,16},D={5,10,15,20} (i) A-B

asked May 27, 2014 by sreemathi.v

1 answer

If A={x : x is a natural number},B={x : x is an even natural number},C={x : x is an odd natural number } and D={x : x is a prime number },Find (vi) $C\cap D$

asked May 27, 2014 by sreemathi.v

1 answer

If A={x : x is a natural number},B={x : x is an even natural number},C={x : x is an odd natural number } and D={x : x is a prime number },Find (v) $B\cap D$

asked May 27, 2014 by sreemathi.v

1 answer

If A={x : x is a natural number},B={x : x is an even natural number},C={x : x is an odd natural number } and D={x : x is a prime number },Find (iv) $B\cap C$

asked May 27, 2014 by sreemathi.v

1 answer

If A={x : x is a natural number},B={x : x is an even natural number},C={x : x is an odd natural number } and D={x : x is a prime number },Find (iii) $A\cap D$

asked May 27, 2014 by sreemathi.v

1 answer

If A={x : x is a natural number},B={x : x is an even natural number},C={x : x is an odd natural number } and D={x : x is a prime number },Find (ii) $A\cap C$

asked May 27, 2014 by sreemathi.v

1 answer

If A={x : x is a natural number},B={x : x is an even natural number},C={x : x is an odd natural number } and D={x : x is a prime number },Find (i) $A\cap B$

asked May 27, 2014 by sreemathi.v

1 answer

If $A=\{3,5,7,9,11\},B=\{7,9,11,13\},C=\{11,13,15\}$ and $D=\{15,17\}$.Find (x) $(A\cup D)\cap(B \cup C)$

asked May 27, 2014 by sreemathi.v

1 answer

If $A=\{3,5,7,9,11\},B=\{7,9,11,13\},C=\{11,13,15\}$ and $D=\{15,17\}$.Find (ix) $(A\cap B)\cap(B \cup C)$

asked May 27, 2014 by sreemathi.v

1 answer

If $A=\{3,5,7,9,11\},B=\{7,9,11,13\},C=\{11,13,15\}$ and $D=\{15,17\}$.Find (viii) $A\cap (B \cup D)$

asked May 27, 2014 by sreemathi.v

1 answer

If $A=\{3,5,7,9,11\},B=\{7,9,11,13\},C=\{11,13,15\}$ and $D=\{15,17\}$.Find $A\cap D$

asked May 27, 2014 by sreemathi.v

1 answer

If $A=\{3,5,7,9,11\},B=\{7,9,11,13\},C=\{11,13,15\}$ and $D=\{15,17\}$.Find $A\cap (B \cup C)$

asked May 27, 2014 by sreemathi.v

1 answer

If $A=\{3,5,7,9,11\},B=\{7,9,11,13\},C=\{11,13,15\}$ and $D=\{15,17\}$.Find $B\cap D$

asked May 27, 2014 by sreemathi.v

1 answer

If $A=\{3,5,7,9,11\},B=\{7,9,11,13\},C=\{11,13,15\}$ and $D=\{15,17\}$.Find $A\cap C$

asked May 27, 2014 by sreemathi.v

1 answer

If $A=\{3,5,7,9,11\},B=\{7,9,11,13\},C=\{11,13,15\}$ and $D=\{15,17\}$.Find $A\cap C\cap D$

asked May 27, 2014 by sreemathi.v

1 answer

If $A=\{3,5,7,9,11\},B=\{7,9,11,13\},C=\{11,13,15\}$ and $D=\{15,17\}$.Find $B\cap C$

asked May 27, 2014 by sreemathi.v

1 answer

If $A=\{3,5,7,9,11\},B=\{7,9,11,13\},C=\{11,13,15\}$ and $D=\{15,17\}$.Find $A\cap B$

asked May 27, 2014 by sreemathi.v

1 answer

Find the intersection of the following sets : $A=\{1,2,3\},B=\phi$

asked May 27, 2014 by sreemathi.v

1 answer

Find the intersection of the following set :(iv) A={x : x is a natural number and $1 < x\leq 6$},B={x : x is a natural number and $6 < x < 10$}

asked May 27, 2014 by sreemathi.v

1 answer

Find the intersection of the following sets : $A=\{x : x$ is a natural number and multiple of $3\},B=\{x : x$ is a natural number less than $6\}$

asked May 27, 2014 by sreemathi.v

1 answer

Find the intersection of the following sets: A={a,e,i,o,u},B={a,b,c}

asked May 27, 2014 by sreemathi.v

1 answer

Find the intersection of the following set :(i) X={1,3,5},Y={1,2,3}

asked May 27, 2014 by sreemathi.v

1 answer

If $A=\{1,2,3,4\},B=\{3,4,5,6\},C=\{5,6,7,8\}$ and $D=\{7,8,9,10\}$ Find $B \cup C\cup D$

asked May 26, 2014 by sreemathi.v

1 answer

If $A=\{1,2,3,4\},B=\{3,4,5,6\},C=\{5,6,7,8\}$ and $D=\{7,8,9,10\}$ Find $A \cup B\cup D$

asked May 26, 2014 by sreemathi.v

1 answer

If $A=\{1,2,3,4\},B=\{3,4,5,6\},C=\{5,6,7,8\}$ and $D=\{7,8,9,10\}$ Find $A \cup B\cup C$

asked May 26, 2014 by sreemathi.v

1 answer

If $A$ and $B$ are two sets such that $A \subset B$,then what is $A\cup B$?

asked May 26, 2014 by sreemathi.v

1 answer

Let $A=\{a,b\},B=\{a,b,c\}$.Is $A\subset B$?What is $A\cup B$?

asked May 26, 2014 by sreemathi.v

1 answer

Given the sets ={1,3,5},B={2,4,6} and C={0,2,4,6,8},which of the following may be considered as universal sets(s) for all three sets A,B and C

asked May 26, 2014 by sreemathi.v

1 answer

What universal set(s) would you propose for each of the following :$\begin{array}{1 1}(i) \;\text{The set of right triangles}\\(ii)\;\text{The set of isosceles triangle}\end{array}$

asked May 26, 2014 by sreemathi.v

1 answer

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

Are the following pair of sets equal?Give reasons :A={x : x is a letter in the word FOLLOW },B={y : y is a letter in the word WOLF}

asked May 23, 2014 by sreemathi.v

1 answer

Are the following pair of sets equal? Give reasons :$(i)\; A= \{2,3\},B=\{x : x\; is\; solution\; of \ x^2+5x+6=0\}$

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

Solve the equation $\sin mx+\sin nx=0$

asked May 22, 2014 by sreemathi.v

1 answer

Solve the equation $\sin x\tan x-1=\tan x-\sin x$

asked May 22, 2014 by sreemathi.v

1 answer

If $(1+\tan A)(1+\tan B)=2$ find all values of $A+B$

asked May 22, 2014 by sreemathi.v

1 answer

Solve the equation :$\tan 2x=-\cot (x+\large\frac{\pi}{6})$

asked May 22, 2014 by sreemathi.v

1 answer

Solve the equation $\tan\theta+\tan(\theta+\large\frac{\pi}{3})$$+\tan(\theta+\large\frac{2\pi}{3})=$$3$

asked May 22, 2014 by sreemathi.v

1 answer

Prove that $(\cos A+\cos B)^2+(\sin A+\sin B)^2=4\cos^2\large\frac{A-B}{2}$

asked May 22, 2014 by sreemathi.v

1 answer

Prove that $\large\frac{1+\sin \theta-\cos \theta}{1+\sin \theta+\cos \theta}=$$\tan\large\frac{\theta}{2}$

asked May 22, 2014 by sreemathi.v

1 answer

Evaluate : $\sin 18^{\large\circ}$

asked May 22, 2014 by sreemathi.v

1 answer

If $2\tan\alpha=3\tan\beta$,prove that $\tan(\alpha-\beta)=\large\frac{\sin 2\beta}{5-\cos^2\beta}$

asked May 22, 2014 by sreemathi.v

1 answer

Find the distance of the line $4x + 7y + 5 = 0$ from the point (1, 2) along the line $2x-y=0$

asked May 21, 2014 by thanvigandhi_1

1 answer

Prove that $\tan(\large\frac{\pi}{4}$$+\theta)+\tan(\large\frac{\pi}{4}-$$\theta)=2\sec 2\theta$

asked May 21, 2014 by sreemathi.v

1 answer

In what ratio, the line joining (–1, 1) and (5, 7) is divided by the line x + y = 4?

asked May 21, 2014 by thanvigandhi_1

1 answer

Prove that $\sin 20^{\large\circ}\sin 40^{\large\circ}\sin 80^{\large\circ}=\large\frac{\sqrt 3}{8}$

asked May 21, 2014 by sreemathi.v

1 answer

Find the maximum and minimum values of the following expression $3\cos\theta+5\sin (\theta-\large\frac{\pi}{6})$

asked May 21, 2014 by sreemathi.v

1 answer

Find the sign of the expression $\sin \theta+\cos \theta$ when $\theta=100^{\large\circ}$

asked May 21, 2014 by sreemathi.v

1 answer

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