Question

1. The set of digits which repeats in non-terminating reccuring decimal is called _____.
2. The number of digits in a period of non-terminating reccuring decimal is called _____.
3. There are only finite number of digits in the decimal part of the decimal numbers are known as _____.
4. The mean between any two rational numbers is _____.
5. A rational number which lies exactly between 2 and 3 is _____.
6. A set of numbers which do not have any reciprocal is _____.
7. The set of numbers which do not have any additive identity is _____.
8. The reciprocal of a negative rational number is _____.
9. The additive and multiplicative inverse of -4 is _____ and _____.
10. Any two numbers whose product is 1 are called the _____.
11. 31 + (-31) = _____.
12. Multiplicative is _____ in rational numbers.
13. _____ is not associative in the set of rational numbers.
14. The numbers which are expressed in the form of p/q where p and q are integers and q is not equal to 0 are called _____.
15. Rational numbers are represented by _____.
16. Rational numbers are also called _____.
17. 1 × _____ = 9/11.
18. -16/7 + _____ = -16/7.
19. The sum of two rational numbers is 8 and if one of the number is-5/6 then the other is _____.
20. The equivalent value of-8/27 is _____.
21. Difference between period and periodicity of 0.39 ( bar is for 39 ) is _____.

Answer 1

1)mixed recurring decimal
2)plain recurring decimal
4)a+b/2
5)5/2
6)0 and 1
7)1
8)always positive
11)0
14)rational numbers
15)p/q form
17)9/11
18)0
19) -5/6+x=8
x= 8+5/6
x=40+5/6
x=45 /6
it is the final answer
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