Question

which of the following is not a rational number *

-3

-7/8

4/0

Q2) which of the following is a positive rational number *

-4

-3/-2

-7/5

Q3) which of the following is a negative rational number *

-4/-5

0

-3/5

Q4) which integer is neither positive nor negative *

-4

-3

0

Q5) If P = -5×4 and Q= -5+4 then P/Q is *

-20

-20/-1

20

Q6 ) which of the following statement is true *

Every whole number is a natural number

Every natural number is an integer

Every rational number is a fraction

Q7) two rational numbers P/Q and R/S are equivalent if *

P×Q =R×S

P×S=R×Q

Both

Q8) greatest 5 digit numeral is *

9999

99999

999999

Q9) Among 20/3,7/3,8/3 which of the following is largest *

20/3

7/3

8/3

Q10) If x/6 and -13 are equivalent then value of x is *

78

-78

-19

Q11 ) 4/5=x/20 then x= ? *

12

16

20

Q12) Absolute value of -4/5 *

4/5

-4/5

4/-5

Q13) On number line all the rational number to the right of 0 is *

Positive

Negative

Neither positive nor negative

Q14) if x and y are two rational numbers then commutative law of addition is *

x+y=y+x

x-y=y-x

x×y=y×x

Q15) sum of 5 /3 and 0 is *

5/3

0

-5/3

Q16) Sum of -5/9 and 5/9 is *

-6/7

5/9

0

Q17) additive inverse of 2/3 is *

2/3

-2/3

0

Q18) which of the following is an identity element of addition of rational numbers *

0

1

-1

Q19) identity element of subtraction for rational numbers *

Exist

Do not exist

May or may not exist

Q20) the sum of two rational number is 20 if one of them is 15 then other is *

20

15

5

Q21) commutative law of multiplication of rational numbers for all X and Y *

X×Y =Y×X

X+Y=Y+X

Both

Q22) identity element for multiplication of rational numbers *

0

1

-1

Q23) associative law of multiplication of two rational numbers is *

(X×Y)×Z=X×(Y×Z)

(X+Y)+Z=X+(Y+Z)

Both

Q24) Product of -4/7 and 0 is *

0

-4/7

4/7

Q25) which rational number has no reciprocal *

1

0

-1




​

Answer 1

Answer:

1. 4/0
2. -3/-2
3. -3/5
4. 0
5. -20/-1 = 20
6. Every natural number is an integer.
7. P×Q = R×S
8. 99999
9. 20/3
10. -78
11. 16
12. 4/5
13. Positive
14. x+y=y+x
15. 5/3
16. 0
17. -2/3
18. 0
19. Exist
20. 5
21. X×Y =Y×X
22. 1
23. (X×Y)×Z=X×(Y×Z)
24. 0
25. 0

$\large\mathfrak{\pink{\fbox{\purple{\bigstar{\mathfrak{\green{Please\; Follow\;Me}}}}}}}$

Answer 2

Answer:

4/0

-3/-2

-3/5

0

-20/-1 = 20

Every natural number is an integer.

P×Q = R×S

99999

20/3

-78

16

4/5

Positive

x+y=y+x

5/3

0

-2/3

0

Exist

5

X×Y =Y×X

1

(X×Y)×Z=X×(Y×Z)

0

0