The set (A - B) U(B - A) is ___________

(a)

AΔB

(b)

AUB

(c)

A∩B

(d)

A'UB'

If \(\frac { 1 }{ 7 } \)= 0.142857, then the value of is______________.

(a)

0.285741

(b)

0.428571

(c)

0.285714

(d)

0.574128

\(\sqrt [ 5 ]{ 21 } \times 6\sqrt { 10 } \)

(a)

\(30\sqrt { 210 } \)

(b)

30

(c)

\(\sqrt { 210 } \)

(d)

\(210\sqrt { 30 } \)

if a polynominal p(x) is divided by (ax+b), then the reminder is _______________________

(a)

\(p\left( \frac { b }{ a } \right) \)

(b)

\(p\left( -\frac { b }{ a } \right) \)

(c)

\(p\left( \frac { a }{ b } \right) \)

(d)

\(p\left( -\frac { a }{ b } \right) \)

(a-b-c)² is equal to________

(a)

(a+b+c)²

(b)

(a+b+c)²

(c)

(-a + b + c)²

(d)

(a+b+c)²

Which of the following is a formula to find the sum of interior angles of a quadrilateral of n-sides?

(a)

\(\frac { n }{ 2 } \) \(\times\) 180

(b)

\(\left( \frac { n+1 }{ 2 } \right) \)180⁰

(c)

\(\left( \frac { n-1 }{ 2 } \right) \)180^o

(d)

(n-2)180^o

If the length of a chord decreases, then its distance from the centre__________

(a)

Increases

(b)

decreases

(c)

same

(d)

cannot say

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)

The centre of a circle is (0, 0). One end point of a diameter is (5, -1), then ______________

(a)

\(\sqrt{24}\)

(b)

\(\sqrt{37}\)

(c)

\(\sqrt{26}\)

(d)

\(\sqrt{17}\)

If the mean of five observations x, x+2, x+4, x+6, x+8, is 11, then the mean of first three observations is __________

(a)

9

(b)

11

(c)

13

(d)

15