Class 8

Class 8

8th Grade

20 Qs

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Class 8

Class 8

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

Bijay Chaudhary

Used 7+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify using law of indices.

x4 × x3

x7

x

x5

x9

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify using law of indices

 x5x3\frac{x^5}{x^3}  

 x5x^5  

 x3x^3  

 x2x^2  

 x4x^4  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Evaluate.
 3. x03.\ x^0  


3

0

1

2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 xaxa × xbxb\frac{x^a}{x^a}\ ×\ \frac{x^b}{x^b}  

1

0

 xa+bx^{a+b}  

 xabx^{a-b}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Solve
 xa+bxb+a\frac{x^{a+b}}{x^{b+a}}  

1

0

 x2a+2bx^{2a+2b}  

 xa+bx^{a+b}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify
 xa+b × xabx^{a+b\ }×\ x^{a-b}  


 x2bx^{2b}  

 x0x^0  

1

 xax^a  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Find the arithmetic mean of following data.

20, 11, 12, 17, 10, 10, 25

15

25

10

5

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