The shaded region in the venn diagram is ___________

(a)

\(A\cup B\)

(b)

\(A\cap B\)

(c)

\(\left( A\cap B \right) ^{ ' }\)

(d)

\(\left( A-B \right) \cup \left( B-A \right) \)

Irrational number has a________________ .

(a)

terminating decimal

(b)

no decimal part

(c)

non-terminating and recurring decimal

(d)

non-terminating and non-recurring decimal

Which is the best example of a number written in scientific notation?

(a)

2.71 \(\times\) 10⁵

(b)

0.6 \(\times\) 10⁴

(c)

0.9871

(d)

125.4 \(\times\) 10⁴

Degree of the polynomial (y³–2)(y³ + 1) is _______.

(a)

9

(b)

2

(c)

3

(d)

6

The polynomial whose factors are (x+2)(x+3)is_____

(a)

x² + 5x + 6

(b)

x² - 4

(c)

x² - 9

(d)

x² + 6x + 5

If (2,3) is a solution of linear equation 2x + 3y = k then, the value of k is _______.

(a)

12

(b)

6

(c)

0

(d)

13

The point of concurrency of the medians of a triangle is known as __________

(a)

circumcentre

(b)

incentre

(c)

orthocentre

(d)

centroid

If one angle of a cyclic quadrilateral is 75° , then the opposite angle is ________.

(a)

100°

(b)

105°

(c)

85°

(d)

90°

The point whose abscissa is 5 and lies on the x-axis is__________

(a)

(-5, 0)

(b)

(5,5)

(c)

(0,5)

(d)

(5,0)

In what ratio does the point Q(1, 6) divide the line segment joining the points P(2, 7) and R(−2, 3) ______.

(a)

1 :2

(b)

2 :1

(c)

1 :3

(d)

3 :1

For which set of numbers do the mean, median and mode all have the same values?

(a)

2, 2, 2, 4

(b)

1, 3, 3, 3, 5

(c)

1, 1, 2, 5, 6

(d)

1, 1, 2, 1, 5

The mean of set of seven number is 81. If one of the nimbers is discarded,the mean of remaining number is 78. The value of discarded number is

(a)

101

(b)

100

(c)

99

(d)

98

The value of 3 sin 70⁰sec 20⁰ + 2 sin 49⁰sec 51⁰ is ________.

(a)

2

(b)

3

(c)

5

(d)

6

The total surface area of a cuboid is ______________

(a)

4a² sq. units

(b)

6a² sq. units

(c)

2(l + b)h sq. units

(d)

2(lb + bh + lh) sq. units

Which of the following cannot be taken as probability of an event?

(a)

0

(b)

0.5

(c)

1

(d)

-1