Brain-puzzles.

What are the no.of possible words that can be made using the word 'EASYQUIZ' such that the vowels always come together?

• 120

• 720

• 2880

• 4320

Eight chairs are numbered 1 to 8. Two women and three men wish to occupy one chair each. First the women choose the chairs amongst 1 to 4 and then men select from the remaining chairs. Find the total number of possible arrangements.

• 1440

• 132

• 120

• 26

The number of 6-digit numbers that can be formed from the digits 0,1,3,5,7 and 9 which are divisivle by 10 no digit is repeated are

• 110

• 150

• 140

• 120

The number of ways of painting the faces of a cube with six different colours is

• 1

• 6

• 6!

• None of the above

In how many ways can the letters of the word ORIENTAL be arranged so that E and T always accupy odd places?

• 8406

• 8604

• 8460

• 8640

Find the range of f(x)=2-x²/1+x²

• (infinity, 3]

• (0,3]

• (-1,2]

• None of the above

The domain of the function f(x)=1/(x²-3x+2)

• {1,2}

• R

• R-{1,2}

• R-{1,-2}

If f(x)=log3x and A=(3,27) then f(A)=

• (1,1)

• (3,3)

• (1,3)

• (2,3)

Tags

CCSS.HSF.IF.A.1

A relation R is defined from the set of integers to the set of real numbers as (x,y)=R if x²+y²=16 then the domain of R is

• (0,4,4)

• (0,-4,4)

• (0,-4,-4)

• None of the above

The domain of the function f(x)=sin-1(tan x) is

• x=[-pi/4,pi/4]

• x=[npi-pi/4, npi+pi/4]

• x=[npi-pi/3,npi+pi/3]

• None of the above

Tags

CCSS.HSF-BF.B.4D