Integer

Which of the following statements is not true?

• When two positive integers are added, we always get a positive integer.

• When two negative integers are added we always get a negative integer.

• When a positive integer and a negative integer is added we always get a negative integer

• Additive inverse of an integer 2 is (– 2) and additive inverse of ( – 2) is 2.

The next number in the pattern – 62, – 37, – 12 _________ is

• 25

• 13

• 0

• -13

• Y

• Z

• W

• X

Which of the following is the multiplicative identity for an integer a ?

• a

• 1

• 0

• -1

( – 43) × ( – 99) + 43 is equal to

• (a) 4300

• -4300

• 4257

• -4214

If a and b are two integers, then which of the following may not be an integer?

• a + b

• a – b

• a × b

• a ÷ b

If we multiply six negative integers and six positive integers, then the resulting integer is _______

Next three consecutive numbers in the pattern 11, 8, 5, 2, --, --, -- are

• 0, – 3, – 6

• – 1, – 5, – 8

• – 2, – 5, – 8

• – 1, – 4, – 7

(– 11) × 7 is not equal to

• 11 × (– 7)

• – (11 × 7)

• (– 11) × (– 7)

• 7 × (– 11)