Addition Subtraction Multiplication And Division

On a number line, when we subtract a positive integer, we

• move to the right

• move to the left

• do not move at all

• none of these.

On a number line, when we subtract a negative integer, we

• move to the right

• move to the left

• do not move at all

• none of these.

Which of the following is true?

• (- 8) + (- 4) > (- 8) – (- 4)

• (- 8) + (- 4) < (- 8) – (- 4)

• (-8) + (- 4) = (- 8) – (- 4)

• none of these.

Multiplication of 3 and -4

• -7

• 12

• -12

• 7

-18 ÷2 gives

• 36

• 9

• -16

• -9

64÷8=?

• 7

• 9

• 8

• 10

72+128=?

• 190

• 210

• 205

• 200

108÷9=?

• 12

• 13

• 14

• 11

50x5=?

• 260

• 245

• 240

• 250

100+1025=?