Class 8

The additive inverse of an integer 'a' is the integer

• 1

• 0

• a

• -a

Every week your earn Rs.100, but every other week you spend Rs.25. What is the total amount of money you have after 8 weeks?

• Rs.300

• Rs.600

• Rs.550

• Rs.700

The value of 6÷(-1) does not lie between

• 0 and -10

• -3 and -12

• -4 and 10

• -7 and 7

The next number in the pattern -48,-33,-18 is

• 15

• 3

• -3

• 0

Which of the following is the odd one out?

• 40+(-45)

• (-57)-(-52)

• (-5)×(-1)

• 80÷(-16)

A maths book is 3.75 cm thick. What is the total thickness of 25 such maths book in meter?

• 25.75cm

• 0.2875m

• 93.75m

• 0.9375m

Which of the following numbers is in standard form?

• N.O.T

Multiply 3x by (2x+5y)

• N.O.T

5a-3[3a-(4-7a)]+4(a-3) on simplification is equal to

• -21a

• 21a+12

• -21a-24

• -24

• 1

• 2

• 3

• 5