## When function have both one-one and onto that function is called _______.

A. Injective

B. Surjective

**C. Bijective**

D. None of these

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# Category: Mathematics Mcqs

## When function have both one-one and onto that function is called _______.

## When inverse of a function exists?

## In a binomial expression the coefficient from the Beginning and End are ________.

## Sum of “1st n” odd Natural number is ___________.

## If “n” is a positive integer then n! is equal to ___________.

## If |A| is equal to 0 then the system Ax is equal to 0 has_________.

## When two matrices of same order can be multiplied?

## The cube of a diagonal matrix is __________.

## If a matrix is singular matrix then its determinate is ___________.

## What is the inverse of an Identity matrix?

A. Injective

B. Surjective

**C. Bijective**

D. None of these

**A. it is Bijective**

B. it is Injective

C. it is Surjective

D. All of the Above

A. Unequal

B. Double

**C. Equal**

D. None of these

A. 2n+1

B. 2n-1

C. n

**D. n ^{2}**

A. n

**B. n.(n-1).(n-2)…3.2.1**

C. n^{2}

D. Both B and C

A. Non-Homogeneous solution

B. Homogeneous solution

C. trivial solution

**D. Non-trivial solution**

A. if they are Singular

**B. if they are Square**

C. if they are Diagonal

D. if they are Rectangular

A. Symmetric matrix

B. Square matrix

**C. Diagonal matrix**

D. Rectangular matrix

**A. 0**

B. 1

C. -1

D. 1/2

**A. Identity**

B. Scaler

C. Rectangular

D. None of these