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Highest Common Factor (HCF)

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The H.C.F. of

 (5a+5b)\left(5a+5b\right)  is  (5)\left(5\right)  

a)

TRUE

b)

FALSE

2.

The H.C.F. of

 (49b27b3)\left(49b^2-7b^3\right)  is  (7b2)\left(7b^2\right)  

a)

TRUE

b)

FALSE

3.

The H.C.F. of

 (3x2+6x)\left(3x^2+6x\right)  is  (3x)\left(3x\right)  

a)

TRUE

b)

FALSE

4.

The H.C.F. of

 (15a3b5a2b2)\left(15a^3b-5a^2b^2\right)  is  (5a2b)\left(5a^2b\right)  

a)

TRUE

b)

FALSE

5.

The H.C.F. of

 (32x3y3+16x2y2+8xy)\left(32x^3y^3+16x^2y^2+8xy\right)  is  (8)\left(8\right)  

a)

TRUE

b)

FALSE

6.

 3x(a+b)+7(a+b)3x\left(a+b\right)+7\left(a+b\right)  = (a+b)(3x+7)\left(a+b\right)\left(3x+7\right)  

a)

TRUE

b)

FALSE

7.

 6a2(x1)8a(x1)6a^2\left(x-1\right)-8a\left(x-1\right)  = 2a(3a4)(x1)2a\left(3a-4\right)\left(x-1\right)  

a)

TRUE

b)

FALSE

8.

 9m4n26m3n3+12m2n49m^4n^2-6m^3n^3+12m^2n^4  = 3m2n2(3m22mn+4n2)3m^2n^2\left(3m^2-2mn+4n^2\right)  

a)

TRUE

b)

FALSE

9.

 48×45+48×5548\times45+48\times55  = 48004800  

a)

TRUE

b)

FALSE

10.

 7×123+7×357×187\times123+7\times35-7\times18  = 900900  

a)

TRUE

b)

FALSE