Question

1. The reciprocal of 5 /7 , whose denominator is 45 is ________
2. In a rhombus diagonals intersect at __________ angles.
3. Which of the following is not true; a) Rational numbers are closed under addition. b) Rational numbers are closed under subtraction. c) Rational numbers are closed under multiplication. d) Rational numbers are closed under division.
4. After 18 years, Swarnim will be 4 times as old as he is now. His present age is____
5. inverse of −7/19 is _______

Answer 1

1.) 63/45

2.) Acute angles

3.) D is false

4.) 2

5.) 7/19

Answer 2

Answer:

1. 63/45

2.right angle

3. d

4. 6yrs

5. -19/7

hope it helps you