Which of the following is correct?

(a)

{7} ∈ {1,2,3,4,5,6,7,8,9,10}

(b)

7 ∈ {1,2,3,4,5,6,7,8,9,10}

(c)

7 ∉ {1,2,3,4,5,6,7,8,9,10}

(d)

{7} \(\nsubseteq \) {1,2,3,4,5,6,7,8,9,10}

The set {x: x ∈ A, x ∈ B, x ∉ A ∩ B} is___________.

(a)

A ∩ B

(b)

A U B

(c)

A - B

(d)

A Δ B

If A and B are two non-empty sets, then (A-B)U(A⋂B) is _____________

(a)

A

(b)

B

(c)

ф

(d)

U

Which one of the following is an irrational number.

(a)

\(\sqrt { 25 } \)

(b)

\(\sqrt { \frac { 9 }{ 4 } } \)

(c)

\(\frac { 7 }{ 11 } \)

(d)

\(\pi\)

If a number has a non-terminating and non-recurring decimal expansion, then it is______________ .

(a)

a rational number

(b)

a natural number

(c)

an irrational number

(d)

an integer

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

(a)

0.5 \(\times\) 10⁵

(b)

0.1254

(c)

5.367 \(\times\) 10^-6

(d)

12.5 \(\times\) 10²

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 linear equation in one variable is __________

(a)

2x + 2 = y

(b)

5x − 7 = 6 − 2x

(c)

2t(5 − t) = 0

(d)

7p − q = 0

In a cyclic quadrilaterals ABCD, ㄥA = 4x, ㄥC = 2x the value of x is ________.

(a)

30°

(b)

20°

(c)

15°

(d)

25°

The points (–5, 2) and (2, –5) lie in the ________.

(a)

same quadrant

(b)

II and III quadrant respectively

(c)

II and IV quadrant respectively

(d)

IV and II quadrant respectively

Let m be the mid point and b be the upper limit of a class in a continuous frequency distribution. The lower limit of the class is _______.

(a)

2m - b

(b)

2m+b

(c)

m-b

(d)

m-2b.

The value of \(\frac { 2tan\ 30° }{ 1-{ tan }^{ 2 }30° } \) is equal to ________.

(a)

cos 60⁰

(b)

sin 60⁰

(c)

tan 60⁰

(d)

sin 30⁰

The perimeter of an equilateral triangle is 30 cm. The area is _______.

(a)

\(10\sqrt { 3 } \) cm²

(b)

\(12\sqrt { 3 } \) cm²

(c)

\(15\sqrt { 3 } \) cm²

(d)

\(25\sqrt { 3 } \) cm ²

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

(a)

0

(b)

0.5

(c)

1

(d)

-1