# Irrational Numbers Free Doubts and Solutions

### CBSE - IX - Mathematics - Number System

Rationalize the denominator

**vinayakjha24**12th May 2019, 3:02 PM

### CBSE - IX - Mathematics - Number System

find the value

**arunkumarsingh0004**16th April 2019, 10:18 PM

### CBSE - IX - Mathematics - Number System

## Respected teacher, how can we insert an irrational number between 2 and 2.5

**spankaj.ekt**11th April 2019, 7:28 PM

### CBSE - IX - Mathematics - Number System

## What are irrational number

**santusanvi1706**9th April 2019, 5:55 PM

### CBSE - IX - Mathematics - Number System

## what is the answer of (2 root 2 + 5) * (4 root 2 + 3) when multiplied

**vibhutiagarwal340**2nd April 2019, 9:32 AM

### CBSE - IX - Mathematics - Number System

## find the irrational number between 786 and 787.

**divyasharma77767**6th February 2019, 11:43 PM

### CBSE - IX - Mathematics - Number System

## Question number 22

**sarveshkumari0131**26th December 2018, 11:06 PM

### CBSE - IX - Mathematics - Number System

If and , then find the value of

A)

B)

C)

D)

**adalroshan2464**14th November 2018, 6:26 PM

### CBSE - IX - Mathematics - Number System

If pqr=1, then find the value of

A) pq+qr+rp

B) 1

C) pq+qr

D)

**adalroshan2464**14th November 2018, 5:49 PM

### CBSE - IX - Mathematics - Number System

Simplify:

A) 2012

B) 878

C)1445

D) 567

**adalroshan2464**14th November 2018, 5:41 PM

### CBSE - IX - Mathematics - Number System

## Evaluate root10*root15

**Muruga**8th March 2018, 3:35 PM

### CBSE - IX - Mathematics - Number System

## Find the square root:14+6√5

**ashutoshtaparia53**27th February 2018, 9:50 PM

### CBSE - IX - Mathematics - Number System

## Show root 5 and 7 on number lili

**ayushraj0911**9th February 2018, 7:37 PM

### CBSE - IX - Mathematics - Number System

## If√2=1.4142,then find the value of√√2-1/√2+1

**ABHILASHA**21st January 2018, 9:29 PM

### CBSE - IX - Mathematics - Number System

## Which of the following surds is greatest in magnitude?
sixth root of 17, root 2, twelfth root of 25, cube root of 4

**aahnik.mohanty**27th November 2017, 8:09 PM

### CBSE - IX - Mathematics - Number System

_{Identify whether is a rational or an irrational number.}

_{Identify whether is a rational or an irrational number.}

**Topperlearning User**28th July 2017, 9:06 AM

### CBSE - IX - Mathematics - Number System

Identify the following as rational or irrational.

**Topperlearning User**28th July 2017, 9:04 AM

### CBSE - IX - Mathematics - Number System

## Identify the following as rational or irrational. Give the decimal representation of the number:

**Topperlearning User**28th July 2017, 9:03 AM

### CBSE - IX - Mathematics - Number System

## Show that the irrational numbers and lie between 2 and 3.

**Topperlearning User**28th July 2017, 8:57 AM

### CBSE - IX - Mathematics - Number System

## Find one irrational number between 3 and 4.

**Topperlearning User**28th July 2017, 8:56 AM

### CBSE - IX - Mathematics - Number System

## Please answer given question

**Topperlearning User**28th July 2017, 8:56 AM

### CBSE - IX - Mathematics - Number System

## Find an irrational number between and

**Topperlearning User**28th July 2017, 8:55 AM

### CBSE - IX - Mathematics - Number System

## find 'a' and 'b' if 5+2/7+4=a+b

**piyush**8th July 2017, 10:14 AM

### CBSE - IX - Mathematics - Number System

##
**how do you do a sum having root inside a root ?**

**how do you do a sum having root inside a root ?**

**meghanavincent25**23rd June 2017, 9:10 PM

### CBSE - IX - Mathematics - Number System

## What are irrational number

**motihari**17th June 2017, 7:31 AM

### CBSE - IX - Mathematics - Number System

**SOLVE THIS : if a =2 + then find + 1 by **

**SOLVE THIS : if a =2 + then find + 1 by**

**meghanavincent25**14th June 2017, 6:32 PM

### CBSE - IX - Mathematics - Number System

## Express 0.999......in the form of p/q.why the answer makes sense .

**ABHILASHA**14th April 2017, 8:09 PM

### CBSE - IX - Mathematics - Number System

## how to irrational numbers on numberline

**Nageshwar**30th March 2017, 6:54 PM

### CBSE - IX - Mathematics - Number System

## Give reason why 3.2576 is a rational number

**Aditya Kumar**20th March 2017, 10:38 AM

### CBSE - IX - Mathematics - Number System

## Show that 7 - 3 is irrational

**gpnkumar0**5th September 2016, 8:55 PM

### CBSE - IX - Mathematics - Number System

## 5+root 11/3+2 root 11=a+(b root 11)

**Aashna**25th May 2016, 8:24 PM

### CBSE - IX - Mathematics - Number System

## sir, how to represent many irrational numbers on the same number line?

**Crystal**5th April 2016, 8:56 PM

### CBSE - IX - Mathematics - Number System

## sum of two irrational numbers whose product is a rational number

**sanjeev.mami**30th September 2015, 8:32 PM

### CBSE - IX - Mathematics - Number System

## I want to know that how is irrational and 22/7 is rational ?

**prakritiprakash12**7th June 2015, 8:05 AM

### CBSE - IX - Mathematics - Number System

**If a =,b =**

**If a =,b =**

**Turjo Bhattacharjee**28th May 2015, 9:56 PM

### CBSE - IX - Mathematics - Number System

## if x= 1/2- then find the value of - 2- 7x + 5

**Petulla Mishra**18th May 2015, 5:29 PM

### CBSE - IX - Mathematics - Number System

## if x = + 1 /2 then find the value of 4 + 2- 8x + 7

**Petulla Mishra**18th May 2015, 9:38 AM

### CBSE - IX - Mathematics - Number System

## what are surds?

**kaushal_012**30th August 2014, 8:49 PM

### CBSE - IX - Mathematics - Number System

## solve:
1/(√3+√5-√7)

1/(√3+√5-√7)

**rkjha_in**21st August 2014, 8:32 PM

### CBSE - IX - Mathematics - Number System

## Instead of dividing and finding the r nos between we can multiply it and find out

**Shashank.bala**8th August 2014, 7:51 AM

### CBSE - IX - Mathematics - Number System

## sum of irrational number & rational number needn't be a irrational number.

**Ayan**28th July 2014, 3:51 PM

### CBSE - IX - Mathematics - Number System

##
- evalute 526 first sq root for allthe nos, here i splited 5 in to 2 and 3 since 32=6 and expression became 3+2+232 again first sq root s for all the nos.,then this expression becomes whole sq root of3+2 using (a+b)whole square but since a+b s possitive addn s commutative it s possible when it s (a-b) whole sq i.d how we ll decide which no. has to be taken first

- evalute 526 first sq root for allthe nos, here i splited 5 in to 2 and 3 since 32=6 and expression became 3+2+232 again first sq root s for all the nos.,then this expression becomes whole sq root of3+2 using (a+b)whole square but since a+b s possitive addn s commutative it s possible when it s (a-b) whole sq i.d how we ll decide which no. has to be taken first

**vijayalqakshmi muralidhar**22nd July 2014, 1:14 PM

### CBSE - IX - Mathematics - Number System

##
- evalute 526 first sq root for allthe nos, here i splited 5 in to 2 and 3 since 32=6 and expression became 3+2+232 again first sq root s for all the nos.,then this expression becomes whole sq root of3+2 using (a+b)whole square but since a+b s possitive addn s commutative it s possible when it s (a-b) whole sq i.d how we ll decide which no. has to be taken first

- evalute 526 first sq root for allthe nos, here i splited 5 in to 2 and 3 since 32=6 and expression became 3+2+232 again first sq root s for all the nos.,then this expression becomes whole sq root of3+2 using (a+b)whole square but since a+b s possitive addn s commutative it s possible when it s (a-b) whole sq i.d how we ll decide which no. has to be taken first

**vijayalqakshmi muralidhar**22nd July 2014, 1:14 PM

### CBSE - IX - Mathematics - Number System

## simply question no. 6 of VSAQs of cce formative assesment of chapter no. third, pg no3.16 of RD SHARMA

**Prachi Jha**23rd June 2014, 9:50 PM

### CBSE - IX - Mathematics - Number System

## can u plz explain me how sum no 11 of RD SHARMA page no3.15 how it can be solved

**Prachi Jha**21st June 2014, 3:39 PM

### CBSE - IX - Mathematics - Number System

## Evaluate

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - IX - Mathematics - Number System

## Find two rational numbers between and .

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - IX - Mathematics - Number System

## Find three rational numbers between 1 and 3.

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - IX - Mathematics - Number System

how can i prove that root 7 is an irrational no with method

**Prachi Jha**10th May 2014, 7:43 PM