Question

~ t-1f 40

Sub: maths

Swastik academy , Matera

Unit Exam

Section A

QA 1 Fill in the following blanks (5)

1. If 4x-2=8 then x= ' -- 2. If x+1/x+2=¾ ' then x = , __ 3. If 2x-1 =3x+5,then x= ____ _

4. 4/7x7/4-7/4X4/7= --- 5. The multiplicative inverse of. 10/8 is _ _

oo.t:£.., 3 /~ I 2°

'])U. y~t{ Of'\ ; 1 ~ 'Y

std : 8th

QA2 State the appropriate property of the rational numbers (5)

1. 2/1Ox10/2 =1

2. (-¼) X5/?=5/7X(-¼)

3. (-3/7)X1 = (-3/7).

4. (-4/6)+0=(-4/6)

5. (-7/13)+ 7/13=0

Section B

QB1 Write additive inverse of the following rational numbers. (5)

1. (-20)

2. (-6/72)

3. (¼)

4. (-1)

5. 4/12

QB2 Represent the following on the number line:. (5)

1. 2¾

2. 7/5

3. 2.5​

Answer 1

Answer:

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