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REAL NUMBERS

Authored by Hemkesh Kantawala

Mathematics

9th - 11th Grade

Used 22+ times

REAL NUMBERS
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31 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 4+35435=a+b5\frac{4+3\sqrt{5}}{4-3\sqrt{5}}=a+b\sqrt{5}  , then (a,b) is?

 (6129,2429)\left(\frac{61}{29},\frac{-24}{29}\right)  

 (6129,2429)\left(\frac{-61}{29},\frac{24}{29}\right)  

 (6129,2429)\left(\frac{61}{29},\frac{24}{29}\right)  

 (6129,2429)\left(\frac{-61}{29},\frac{-24}{29}\right)  

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following is not a Real Number?

(May contain multiple answers)

2\sqrt{-2}

9\sqrt{9}

1296\sqrt{1296}

20+19i

45\sqrt{-45}

3.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

 HCF(a,b)×LCM(a,b)=HCF\left(a,b\right)\times LCM\left(a,b\right)=  

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

If the HCF of two numbers is the smaller number, then what is the LCM of the two numbers ?

Larger Number

HCFsmaller number\frac{HCF}{smaller\ number}

HCF * smaller number

1

3

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

After how many decimal places do

 17\frac{1}{7}  terminate ?

7

6

10

13

None Of The Above

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The Greatest number on which 70,125,288 divides and gives the remainder as 2,5,9 respectively. Then to solve this we:-

Add the remainder with the number

Substract the number from the remainder

Substract the remainder from the number

divide the number with the remainder

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 HCF >LCMHCF\ >LCM  (for any two numbers)

True

False

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