Closure property is not true for division of rational numbers because of the number

(a)

0

(b)

-1

(c)

0

(d)

\(\frac { 1 }{ 2 } \)

\(\frac{5}{6}\div\frac{6}{2}\) is 

(a)

\(\frac{5}{2}\)

(b)

\(\frac{2}{5}\)

(c)

\(\frac{5}{18}\)

(d)

\(\frac{30}{12}\)

If V = 6, E = 12 then the faces of the polyhedron is

(a)

6

(b)

7

(c)

8

(d)

9

If the area of a rectangular land is(a² - b² )− sq.units whose breadth is (a - b) then, its length is__________

(a)

a - b

(b)

a + b

(c)

a²- b

(d)

(a + b)²

Which of the following is correct?

(a)

(a - b)² = a² + 2ab + b²

(b)

(a - b)² = a² - 2ab + b²

(c)

(a-b)² = a²-b²

(d)

(a - b)² = a² + 2ab - b²

Two similar triangles will always have ________angles

(a)

acute

(b)

obtuse

(c)

right

(d)

matching

How many 2 digit numbers contain the number 7?

(a)

10

(b)

18

(c)

19

(d)

20

The time taken for Rs.4400 to become Rs.4851 at 10%, compounded half yearly is _______.

(a)

6 months

(b)

1 year

(c)

1\(\frac { 1 }{ 2 } \)years

(d)

2 years

Sum of a number and its half is 30 then the number is______.

(a)

15

(b)

20

(c)

25

(d)

40

The area of a rectangle of length 21 cm and diagonal 29 cm is __________cm².

(a)

609

(b)

580

(c)

420

(d)

210

If F(n) is a Fibonacci number and n = 8, which of the following is true?

(a)

F(8) = F(9) + F(10)

(b)

F(8) = F(7) + F(6)

(c)

F(8) = F(10) x F(9)

(d)

F(8) = F(7) – F(6)

Find the correct answer from the four alternatives given.
In a certain code, ‘M E D I C I N E’ is coded as ‘E O J D J E F M’, then how is ‘C O M P U T E R’ written in the same code?

(a)

C N P R V U F Q

(b)

C M N Q T U D R

(c)

R F U V Q N P C

(d)

R N V F T U D Q

\(\\ \sqrt { 48 } \) is approximately equal to

(a)

5

(b)

6

(c)

7

(d)

8

If \(\left( \cfrac { p }{ q } \right) ^{ 1-3x }=\left( \cfrac { q }{ p } \right) ^{ \frac { 1 }{ 2 } }\), then x is __________

(a)

4⁻¹

(b)

3⁻¹

(c)

2⁻¹

(d)

1^-1

Inclusive series is a ________series.

(a)

continuous

(b)

discontinuous

(c)

both

(d)

none of these