Popular Questions
- From polygon law, three vectors having summation zero should from a closed polygon.(Traingle) since the two vectors are having sam..
- If A, B, C be 3 sets such that A U B = A U C and as given below
- If A, B, C be 3 sets such that A U B = A U C and as given below
- If X={4n-3n- 1: n E N } and Y= {9(n-1):nEN} then X U Y is equal to
- Let A and B be two sets containing four and two elements respectively. Further as given below
- If a set A has n elements,then the total number of subjects of A is
- In a town of 10000 families it was found that 40% family buy newspaper A, 20% families buy newspaper B and 10% families buy newspa..
- In a class of 55students, the number of students studying different subjects are 23 in Maths, 24 in physics, 19 in chemistry, 12 i..
- If the sets A and B are defined as A= {(x,y): y=e x, x E R}; B= {( x,y): y=x,x E R }, then
- In a class of 100students, 55 students have passed in maths and 67 students have passed in physics. As given below
- Out of 800boys in a school, 224 played cricket, 240 played hockey and 336 played basketball. As given below
- If A,B,and C are non-empty sets, then(A-B) U (B-A) equals As given below
- The set A= {x:x E R,x2 = 16 and 2x 6} equals
- Given the sets A={1,2,3}, B= {3,4} ,C={4,5,6},then further given below
- The number of non-empty subjects of the set{1,2,3,4} is
- A class has 175 student. The following data shows the number of students obtaining one or more subjects. As given below
- For any two sets A and B, A-(A-B) equals
- In an exam, 50 of them failed in maths, 45 failed in physics, 40 failed in bio and 32 failed in exactly two of three subjects. Fur..
- In a city 20% of the population travels by car,50 % travels by bus and 10% travels by both car and bus. Further given below
- If two sets A and B are having 99elements in common, then the number of elements common to each of the sets A×B and B× A a..
- Given n(U)=20, n(A)=12, n(B)=9, where U is the universal set, A and B are subsets of U, as given below
- If Na= { an:n E N } , then N5 further given below
- the number of solution of the equation z sqr + Z bar = 0 is
- The amplitude of (1 + root 3 i) / (root 3 + i) is
- If (3/2 + i (root 3 /2)) pw 50 = 3 pw 25 (x- iy) (where x,y are real number and i = root (-1)), then the order pair (x, y) is give..
- if a complex number is in 3rd quadrant ,then its conjugate will remain in .....quadrant
- if z is a complex number such that z-1/z+1 is purely imaginary then
- the maximum value | z | where z satisfies the condition | z+2/z | =2 is
- if z is a complex number such that Re(z)= img( z) then
- Let z1 =3+4i and z2=-1+2i.then | z1+z2 |sqr -2(| z1| sqr +| z2 |sqr) is equal to
- the argument of the complex number(i/2-2/i) is equal to
- Argument and modulus of 1+i/1- i are respectively
- The conjugate of ( 2+ i)sqr / (3+i) , in the form of a+ ib, is
- if the conjugate of ( x+ iy)(1-2i) be 1+i then
- the modules and amplitude of (1+i3)8 are respictevely
- if ( 3+ i) z =(3-i)z,then complex number z is
- The value of | (1 + i unroot 3) / (1 + 1/ (i + 1)sqr) | is
- if z1=1+2i and z2 =3+5i,then Re(z2z1/z2) is equal to
- the minimum value of | 2z-1 |+| 3z - 2| is
- if z be the conjugate of the complex number z, then which of the following relation is false
