Closure Property

Q. What is the multiplicative inverse of 2/9 ?

1. 0
2. 1
3. -2/9
4. 9/2

Q. What is the additive inverse of 5/7?

1. -5/7
2. 0
3. 7/5
4. -7/5

Q.

Give three examples of Closure property of addition of whole numbers.

Q. $Find\frac{-4}{5}\times \frac{3}{7}\times \frac{15}{16}\times \left(\frac{-14}{9}\right)$

Q. Which of the following mathematical operations does not satisfy the closure propery for whole numbers?

1. Subtraction
2. Addition
3. Division
4. Multiplication

Q. Which of the following operations satisfy the closure property in case of whole numbers?

1. Addition
2. Subtraction
3. Multiplication
4. Division

Q. What is the multiplicative inverse of 8 raised to the power of (-3)?

1. -64
2. -64
3. -512
4. 512

Q. What is the multiplicative inverse of -5/7?

1. 5/7
2. -7/5
3. 1
4. 7/5

Q.

Multiplicative inverse of

1) -7/9

2) 13/15

3) 1/3×4/7

4) -13/11×1/5

Q.

If $x$ and $y$ are negative rational numbers, then so is $x+y$. State whether the statement is true (T) or false (F).

1. True
2. False

Q. What is the additive inverse of 5/7?

1. -5/7
2. 0
3. 7/5
4. -7/5

Q.

Reciprocal of any natural number lies between

1. 100 and 1000

2. 1 and infinity

3. 0 and 1

4. 0 and -1

Q.

multiply 6 by 13 reciprocal -7 by 16 .

Q.

Verify and name of the property used.

$124÷\left(-124\right)$

Q. What is the multiplicative inverse of 5/7?

1. -5/7
2. -7/5
3. 7/5
4. 1

Q. Find the reciprocal of : (-3/7)^​-2

Q. Which of the following is not the additive inverse of 5?

निम्न में से कौनसा विकल्प 5 का योगात्मक प्रतिलोम नहीं है?

1. 5 × (–1)
2. –5
3. 5 ÷ (–1)
4. –(–5)

Q. 22. Write the reciprocal of 5+2

Q.

How to do 16-4 by 2+4. Which procedure to use

Q.

Which of the following represents associative property?

1. -3 + 4 = 4 +(-3)

2. 2×(3+4) = (2×3)+(2×4)

3. 6 - 8 = (-8) + 6

4. 3 + ((-4)+5) = (3 +(-4)) + 5

Q. Integers are not closed under .

1. Addition
2. Subtraction
3. Multiplication
4. Division

Q. Question 89
Every fraction is a rational number.

Q.

If x, y are integers, then x+y is an integer.

1. True

2. False

Q. What is the reciprocal of zero ?

Q.

Sam got the product value of two algebraic fractions as 1. He concluded that one of them is the reciprocal of other.

1. True

2. False

Q. find the multiplicative inverse of
(I) -7/8
(II) 10/3

Q.

Rational numbers are not closed under which operation?

1. Addition

2. Subtraction

3. Multiplication

4. Division

Q. What is the multiplicative inverse of 2/9 ?

1. \N
2. 1
3. -2/9
4. 9/2

Q. What is the additive inverse of 1/2 ?

1. 1/2
2. - 1/2
3. \N
4. 1

Q. Concatenation operator in $SQ{L}^{\ast }$ plus _____________.

1. &&
2. +
3. -
4. ||