MATHS and PHysics Cdf Questions

For a ________ on the number line, we move towards the right of zero, and for a negative integer, we move towards the left of zero.

• Positive integer

• Zero

• Negative Integer

• Meko nhi pta

Answer explanation

Ratt lo

For a positive integer on number line, we move to the right of zero and for a _______ we move towards the left of zero.

• Negative Integer

• Positive Integer

• Zero

• Meko nhi pta

Answer explanation

ratt lo

Integers are closed under ______

• Addition

• Subtraction

• Multiplication

• All of the above

Answer explanation

agar 'a' is an Integer and 'b' is also integer, Toh

1. 1. axb bhi integer hoga

2. 2. a+b bhi integer hoga

3. 3. a-b bhi integer hoga

4. bhale koi bada ho ya chota..

Which operation is not closed under integers?

• Addition

• Subtraction

• Division

• Multiplication

What is the opposite of a positive integer on the number line?

• Positive Integer

• Negative Integer

• Zero

• Meko nhi pta

________ are commutative in integers

• Addition

• Subtraction

• Multiplication

• Addition and Multiplication

• Addition and Subtraction

Answer explanation

Areeeeeeee budhu

a+b = b+a

axb = bxa

________ are associative for integers.

• Addition

• Subtraction

• Multiplication

• Addition and Subtraction

• Addition and Multiplication

Answer explanation

Budhu....

a+(b+c) = (a+b)+c

(axb)xc = (axb)xc

axb = _____

• -ab

• ab

• meko nhi pta

• All of these

Answer explanation

Dekho bhai isse ratt lo

Same sign then Result = Positive

bhale dono no. negative ho yeh multiplication hai addition nhi.

Different sign then Result = Negative

(Yeh division pe bhi apply karta hai)

a x (-b) = _____

• ab

• -ab

• ab-

• Meko nhi pata

Answer explanation

Dekho bhai isse ratt lo

Same sign then Result = Positive

bhale dono no. negative ho yeh multiplication hai addition nhi.

Different sign then Result = Negative

(Yeh division pe bhi apply karta hai)

a /a = _

• 0

• 1

• 2

• 3

Answer explanation

Copy pe karke dekhlo....