The temperature at 12 noon at a certain place was 18° above zero. If it decreases at the rate of 3° per hour at what time it would be 12° below zero?

(a)

12 mid night

(b)

12 noon

(c)

10 am

(d)

10 pm

(-10) + ( +7)=____

(a)

+3

(b)

-3

(c)

-17

(d)

+17

20 + (-9) + (9)

(a)

20

(b)

29

(c)

11

(d)

38

(-100) - 0 + 100 = _____

(a)

200

(b)

0

(c)

100

(d)

-200

Which property is illustrated by the equation:(5 x 2) + (5 x 5) = 5 x (2 + 5)

(a)

commutative

(b)

closure

(c)

distributive

(d)

associative

(-2) x −(-9) =_____

(a)

108

(b)

-108

(c)

+1

(d)

-1

(−16) ÷ 4 is the same as

(a)

- (-16 ÷ 4)

(b)

−(16) ÷ (-4)

(c)

16 ÷ (-4)

(d)

−4 ÷ 16

The set of integers is not closed under

(a)

Addition

(b)

Subtraction

(c)

Multiplication

(d)

Division

The area of a parallelogram whose base 10 m and height 7 m is

(a)

70 sq. m

(b)

35 sq. m

(c)

7 sq. m

(d)

10 sq. m

What happens to the area of the parallelogram, if the base is increased 2 times and the height is halved?

(a)

Decreases to half

(b)

Remains the same

(c)

Increases by two times

(d)

none

The area of the rhombus with side 4 cm and height 3 cm is

(a)

7 sq. cm

(b)

24 sq. cm

(c)

12 sq. cm

(d)

10 sq. cm

The area of the rhombus is 128 sq. cm and the length of one diagonal is 32 cm. The length of the other diagonal is

(a)

12 cm

(b)

8 cm

(c)

4 cm

(d)

20 cm

The angle between the diagonals of a rhombus is

(a)

120º

(b)

180º

(c)

90º

(d)

100º

In a trapezium if the sum of the parallel sides is 10 m and the area is 140 sq. m, then the height is

(a)

7cm

(b)

40 cm

(c)

14 cm

(d)

28 cm

Choose the pair of like terms

(a)

7p, 7x

(b)

7r, 7x

(c)

−4x, 4

(d)

−4x, 7x

In an expression, we can add or subtract only

(a)

Like terms

(b)

Unlike terms

(c)

All terms

(d)

None of the above

The solution of 3x + 5 = x + 9 is

(a)

2

(b)

3

(c)

5

(d)

4

If the cost of 3 books is Rs.90, then find the cost of 12 books.

(a)

Rs.300

(b)

Rs.320

(c)

Rs.360

(d)

Rs.400

35 cycles were produced in 5 days by a company then______ cycles will be produced in 21 days.

(a)

150

(b)

70

(c)

100

(d)

147

Suppose 3 kg. of sugar is used to prepare sweets for 50 members, then ____ kg. of sugar is required for 150 members.

(a)

9

(b)

10

(c)

15

(d)

6

4 typists are employed to complete a work in 12 days. If two more typists are added, they will finish the same work in _______ days.

(a)

7

(b)

8

(c)

9

(d)

10

In the given figure the angles ∠1 and ∠2 are

(a)

opposite angles

(b)

Adjacent angles

(c)

Linear pair

(d)

Supplementary angles

The sum of all angles at a point is

(a)

360°

(b)

180°

(c)

90°

(d)

0°

A line which intersects two or more lines in different points is known as

(a)

parallel lines

(b)

transversal

(c)

non-parallel lines

(d)

intersecting line

Which of the following statements is ALWAYS TRUE when parallel lines are cut by a transversal

(a)

corresponding angles supplementary.

(b)

alternate interior angles supplementary.

(c)

alternate exterior angles supplementary.

(d)

interior angles on the same side of the transversal are supplementary.