Question

1.Tick the correct answer:- 10 Marks
(i)The additive inverse of -9 is
(a)10 (b)9 (c)1/9 (e)None of these
(ii)Multiplicative inverse of 3 is
(a)1/3 (b)-3 (c)1 (e)None of these
(ii) Additive identity of a Rational number is
(a)1 (b)-1 (c)0 (e)None of these
(iv)If x= 2/3 and y =1/3, then the value of x+Y is
(a)1 (b)-1 (c)3/6 (e)None of these
(v)If a/16 =15/8, then what is the value of a?
(a)20 (b)40 (c)30 (e)None of these
(vi)Two Rational numbers are said to be reciprocals of each other if their product is……………….. .
(a)1 (b)-1 (c)0 (e)None of these
(vii)What will be the simplest form of rational number 12/18
(a)3/2 (b)2/3 (c)4/6 (e)None of these
(viii)The value of x+y, where x=1/6, y=2/3 is……………………….
(a)3/6 (b) 3/9 (c) 1/2 (e)None of these
(ix)Which is the greater between -4/9 and -5/12
(a)-4/9 (b)-5/12 (c)both are equal (e)None of these
(x) Reciprocal of -3/2 is
(a)2/3 (b)-2/3 (c)3/2 (e)None of these
2.Write true or false for each of the followings statements :- 5 Marks
(i)Every integer is a Rational number. _________________
(ii)Every fraction is a Rational number _________________
(iii)Every positive rational number is less than 0. _________________
(iv)Absolute value of -3/5 is -5/3. _________________
(v)Zero is smallest rational number. _________________
3. Fill in the blanks:- 5 Marks
(a)(…………)÷(-7/5)=10/19
(b)A rational number p/q is said to be in ………………..…….form if q is positive, and p and q have no common divisor othe than 1.
(c)The sum of two rational number is -3/8.If one of them is 3/16,then the other is……………..
(d)9/8÷(…….)=3/2
(e) (…………)÷(-3)=-4/15.​

Answer 1

Answer:

c is of all the questions exepct d

Answer 2

Step-by-step explanation:

c is a correct answer this is correct