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# Real Numbers Free Doubts and Solutions

## 1)State whether the following statements are true or false. Give reasons for your answer. (a)Every rational number is a whole number

Asked by sanjanashrivastav.25 18th May 2019, 4:05 PM

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## Are fractions real numbers

Asked by swatiwhaval 8th May 2019, 12:56 PM

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## 1. What is a nonzero? 2. What is a nonzero even numbers? 3. what is a nonzero multiple of 3?

Asked by gspublicschool 9th October 2018, 7:11 AM

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## A circular field has a circumference of 360 km. Three cyclist starttogether and can cycle 48 60 and 72 km a day round the field. when will they meet again?

Asked by Nilesh Raikar 20th July 2017, 4:13 PM

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## Q) The value of  is A) 3  B) 6 C)  D)

Asked by banerjee_milky 23rd June 2017, 2:29 PM

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## I wanted to know why the rationalising factor of the equation  is , instead of . This equation was in one of the video lessons, and I am a bit confused why addition is being used in the rationalising factor. Can I use as the rationalising factor?

Asked by shikharmota 11th April 2017, 4:34 PM

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## You know that 1/7 = I.142857 bar. Can you predict what the decimal expansions of 2/7, 3/7, 4/7, 5/7, 6/7 are, without actually doing the long division? If so, HOWAND WHY?

Asked by Shashi Bushan 10th March 2017, 6:58 PM

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## can you please tell me how we get  (3+3)(3-3)= 9-3=6 using the given identity?? (a+b)(a-b)=a^2-b

Asked by syamjulie 2nd May 2016, 6:55 PM

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## What decimal of an hour is a second?

Asked by tv2000in 29th April 2016, 11:39 PM

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## how to convert a recurring rational number in the form of p/q. plz write its steps with an example.

Asked by eeshan.nk 23rd March 2016, 1:49 PM

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## Select three distinct digits. Form a three digit number. Form the other number by reversing the digits. Find the difference of these two numbers. What is the GCD of all such differences? Please give step-by-step detailed answer.

Asked by Divyaa 12th December 2015, 9:31 PM

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## represent 2-root 3 on number line

Asked by nisha_vini29 28th April 2015, 9:17 AM

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## Q. The question is of book R.D.SHARMA............................... Exercise 2.1 question is the first question of question number 3....

Asked by Shreshth Sahu 11th January 2015, 9:19 PM

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## Simplified value of is:

Asked by kanishkapanwar2424 24th August 2014, 12:40 PM

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### CBSE - IX - Mathematics - Number System

Asked by KALAPANA.KOTAK 15th July 2014, 9:55 PM

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## 1. If  2power x+5 X 3 power 2x-9 =3022 find value of x ?     2. x= 3+23+2 and y= 3-23+2 find x2 + y2-xy

Asked by vaibhavmishratempleton 3rd July 2014, 10:06 PM

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### CBSE - IX - Mathematics - Number System

Asked by deeptisingh25 29th June 2014, 3:23 PM

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## Simplify:

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## If x = 3 + then

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Simplify:

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## If x = find the value of x2 + xy + y2.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## If x = 3+2, check whether is rational or irrational.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## If , find the value of .

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Simplify the following by rationalizing the denominators:

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Simplify the following by rationalizing the denominator.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Simplify : .

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Number System

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Number System

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Number System

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Simplify the following by rationalizing the denominators.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Express with rational denominator.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Simplify the following into a fraction with rational denominator.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Express with rational denominator.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Find the value of a and b if = a - b.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Simplify the following:

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Simplify:

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## If x = 5 - 2 then find the value of x2 + .

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## If x = and y = then find the value of x + y.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Simplify :

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Express in the form of where p and q are integers and q 0.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## Evaluate : , given that = 3.162.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Number System

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Number System

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## If both a and b are rational numbers, find a and b for the following:

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Number System

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Number System

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Number System

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Number System

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Number System

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Number System

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Number System

Asked by Topperlearning User 4th June 2014, 1:23 PM

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### CBSE - IX - Mathematics - Number System

Asked by Topperlearning User 4th June 2014, 1:23 PM

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## If  x = √3+1/2, then the value of 4x3+ 2x2 – 8x + 7 will be what?    (a)10 (b)8 (c)6 (d)4

Asked by Archeet 2nd June 2014, 8:35 PM

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## If x = √3+1 /2, then the value of x2  + 1/x2 and x2  –  1/x2

Asked by Archeet 2nd June 2014, 9:59 AM

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## Q.Prove that: √((3×5^(-3) ) )÷?(3^(-1) )  √5  ×√(6&3×5^6 )  =3/5

Asked by Shreshth Sahu 24th May 2014, 7:53 AM

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## Q.1.If 2m+n divided by 2n-m = 16 and a = 21/10 , then a2m+n-p divided by (am-2n+2p )-1 =

Asked by Shreshth Sahu 23rd May 2014, 7:48 PM

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## what is the actual meaning of real numbers? how do they differ from whole numbers and rational numbers? please explain.

Asked by Arkajyoti Banerjee 19th May 2014, 11:39 PM

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## Simplify the following by rationalizing the denominator. .

Asked by Topperlearning User 10th February 2014, 9:39 AM

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### CBSE - IX - Mathematics - Number System

Asked by Topperlearning User 29th April 2013, 2:49 AM

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## what is real no.

Asked by Topper Demo 6th April 2011, 1:10 PM