# Basic Mathematics-Arithmetic (KVPY Stream SB-SX (Class 12 & 1st Year B.Sc.) Math): Questions 20 - 25 of 25

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## Question number: 20

» Basic Mathematics » Arithmetic » Simplifying Expressions

Appeared in Year: 2015

MCQ▾

### Question

If , then equals –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 21

» Basic Mathematics » Arithmetic » Number Games

Appeared in Year: 2015

MCQ▾

### Question

Suppose are positive integers such that . Then is equal to –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 22

» Basic Mathematics » Arithmetic » Simplifying Expressions

Appeared in Year: 2015

MCQ▾

### Question

Let be a polynomial such that , where is a positive integer. Then equals –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 23

» Basic Mathematics » Arithmetic » Number Games

Appeared in Year: 2015

MCQ▾

### Question

The largest perfect square that divides is –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 24

» Basic Mathematics » Arithmetic » Simplifying Expressions

Appeared in Year: 2015

MCQ▾

Let . Then –

### Choices

Choice (4) Response

a.

b.

c.

is a rational number, but not an integer

d.

is an irrational number

## Question number: 25

» Basic Mathematics » Arithmetic » Simplifying Expressions

Appeared in Year: 2016

MCQ▾

### Question

The Polynomial equation has,

### Choices

Choice (4) Response

a.

three real roots for any , and exactly one real root for any

b.

exactly one real root for any real

c.

three real roots for any real

d.

three real roots for any , and exactly one real root for any

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