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cls9(OMBE)

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Mathematics

9th Grade

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cls9(OMBE)
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25 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 Which ordered  pairs are equal?Which\ ordered\ \ pairs\ are\ equal?  

 (2,3)&(2,3)\left(2,3\right)\&\left(2,3\right)  

 (2,3)&(3,2)\left(2,3\right)\&\left(3,2\right)  

 (2,2)&(3,3)\left(2,2\right)\&\left(3,3\right)  

 (3,2)&(2,3)\left(3,2\right)\&\left(2,3\right)  

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 which one is ordered pair?which\ one\ is\ ordered\ pair?  

 [2,3]\left[2,3\right]  

 (a,b)\left(a,b\right)  

 {2,3}\left\{2,3\right\}  

 [2,3)\left[2,3\right)  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 If (3x,2y+2)=(12,3y1),what is the values of x&y?If\ \left(3x,2y+2\right)=\left(12,3y-1\right),what\ is\ the\ values\ of\ x\&y?  

 x=4,y=3x=4,y=-3  

 x=4,y=3x=-4,y=3  

 x=4&y=3x=4\&y=3  

 x=4&y=3x=-4\&y=-3  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 In a pair of number separated by comma (,)&closed by small bracket is called .............In\ a\ pair\ of\ number\ separated\ by\ comma\ \left(,\right)\&closed\ by\ small\ bracket\ is\ called\ .............  

 RelationRelation  

 functionfunction  

 DomainDomain  

 ordered pairsordered\ pairs  

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 what denotes for {(x,y):xA&yB}?what\ denotes\ for\ \left\{\left(x,y\right):x\in A\&y\in B\right\}?  

 A×BA\times B  

 B×AB\times A  

 A+BA+B  

 ABA-B  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 what is the formula of n(A×B)?what\ is\ the\ formula\ of\ n\left(A\times B\right)?  

 n(A)÷n(B)n\left(A\right)\div n\left(B\right)  

 n(A)×n(B)n\left(A\right)\times n\left(B\right)  

 n(B)×n(A)n\left(B\right)\times n\left(A\right)  

 n(B)÷n(A)n\left(B\right)\div n\left(A\right)  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Ifn(A)=5&n(B)=4,what is the value of n(A×B)?Ifn\left(A\right)=5\&n\left(B\right)=4,what\ is\ the\ value\ of\ n\left(A\times B\right)?  

 99  

 11  

 54\frac{5}{4}  

 2020  

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