Integers

Cost of gas cylinder in August was Rs 345. In September prices went down by Rs 50. New cost is

1. Rs 310
2. Rs 305
3. Rs 300
4. Rs 295

Integer added to the difference of -37 and -68 so that result is 21

1. -10
2. -11
3. -12
4. -13

20213 is obtained on simplifying

1. (-17)X(-14)X28
2. (-17)X(-41)X29
3. (-17)X(-14)X-29
4. (-17)X(41)X29

Result after simplification of (-27)X[(-16)+(-19)] gives

1. -270
2. +945
3. -1080
4. 1285

The value of 8-|-9| is

1. -1
2. +1
3. -2
4. +2

A three digit integer is -163. There is exchange of place between first and third digit. Largest between them is

1. -163
2. +163
3. +361
4. -361

Commutative law for multiplication holds in

1. 3X-7 = 3X(-7)
2. (-13)X41 = (41)X(-13)
3. 14X(15X-2) = (14X15)X-2
4. -3X1 = -3

Largest among -1007, -1000, -1010, -1012 is

1. -1012
2. -1010
3. -1007
4. -1000

Additive identity of any integer is

1. 11
2. 1
3. 0
4. -1

Incorrect option is

1. (-132)÷11 = 12
2. (-45) ÷ (-9) = 5
3. (-98) ÷ (+7) = 14
4. (-84) ÷ (-21) = 4

Correct option is

1. Successor of -18 is -19
2. '-a' and 'a' are additive inverses of each other
3. On subtracting -9 from -6 we get -3
4. -6+4-(-3) is -1

Untrue condition is

1. we can divide any integer by 0
2. if a is an integer then a÷a=1
3. if a>b, then a+c>b+c (c is positive)
4. if a is an integer, than (a÷1)=a

False statement is

1. sum of two integers is integer
2. -3-7>-10
3. difference of two integers is integer
4. (-40)X(-21) = 840

On simplifying (-241)+49+(-21)+22-27 we will get

1. -178
2. -198
3. -208
4. -218

An integer is added to -25. The result is 0, such integer is

1. -5
2. -15
3. +25
4. -35

On adding 100 to an integer we get 10. The integer is

1. -90
2. -100
3. -110
4. -120

Opposite of 99 is

1. -99
2. 0
3. 99
4. 100

Incorrect statement is

1. 4 more than -6 is -2
2. Sum of 8 and -9 is -17
3. 7 less than -7 is -14
4. -4 subtracted from -6 is -2

Untrue option is

1. (+5)+(-8) = (+5)+(-5)+(-3)
2. (+7)+(-3) = (+3)+(+4)+(-3)
3. (-2)+(-7) = -(2+7)
4. (-3)-(-1) = -(3+1)

Greatest negative integer is

1. +1
2. 0
3. -1
4. -10

0, -15, 72, -83, -7, 11, -11 when arranged in descending order will look like

1. 72>11>0>-83>-15>-11>-7
2. 72>11>0>-7>-11>-15>-83
3. -83>72>-15>-11>11>-7>0
4. -83>-15>-11>-7>0>11>72

On moving 8 steps to the right of -5, Rita will get

1. +8
2. +5
3. +3
4. -3

Untrue about zero is

1. Zero is neither negative nor positive integer
2. Zero is larger than every negative integer
3. Zero is less than every positive integer
4. Further from zero on right, lesser is its value

Predecessor of -199 is

1. -200
2. -198
3. -191
4. 0

Successor of -100 is

1. -101
2. -99
3. -90
4. 0