1st assignment

0/5 =

• 0

• 1

• 5

• not defined

The additive identity element in N is

• 0

• 1

• 2

• 3

4 + ( 2 + 6 ) = ( 4 + 2 ) + 6 ............................... property

• Commutative

• Associative

• Closure

• Additive identity

a + b = b + a ................................. property

• Commutative

• Associative

• Closure

• Additive identity

The sum of two natural numbers ........... N

• ∈

• ∉

• ⊂

• ⊄

7 x (12 + 4) = ( 7 x12 ) + ( 7 x 4 ) ............................. property

• Commutative

• Associative

• Closure

• Distributive

The additive neutral element in N ......... The multiplicative neutral element in N

• >

• =

• <

• otherwise

( 7 - 9 ) ......... N

• ⊂

• ⊄

• ∉

• ∈

The area of the rhombus whose diagonals lengths are 6 cm and 8 cm equals .......................cm²

• 48

• 12

• 24

• 40

If the longest chord of the circle is 7 cm, then the circumference of the circle is ........... cm.

(where π = 22/7)

• 3.5

• 7

• 22

• 44