11th Class Math MCQS Chapter 2

11th Class Math MCQS


{1} has closure property w.r.t
Addition
Subtraction
None of them
Multiplication

Leibniz is mathmatician
German
Greek
French
English

The set Z+ ? {0} is monoid w.r.t multiplication but not.
None
Into function
Division
Subtraction

If A?B = A ?? then n (B-A)=
n(A)-n(A?B)
n(B)-n(A?B)
n(B)
n(A)

The cartesian product R x R where R is the set of real numbers, is called the;
Cartesian Plane
None of these
Plane
Space

The set N with respect to addition is a:
Subtraction
Addition
Division
None

If a function of : A –> B is such that range f = B then f is called an:
Bijective function
Onto function
1 – 1 function
Into function

If z=x + iy, then y is called;
Both real and Imaginary
None of these
Imaginary Part
Real part