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1 ) `1/4 , 2 /4` , ..... , 1

2 ) `94/1000` = .....

3 ) `1/4 ..... 2/4`

4 ) Zero point four zero nine = ....

In the following list of numerals, how many 2's are followed by 1's but not preceded by 4 ? 4 2 1 2 1 4 2 1 1 2 4 4 4 1 2 2 1 2 1 2 1 4 4 2 1 4 2 1 2 1 2 4 1 4 2 1 2 4 1 4 6 1) 2 2) 3 3) 4 4) 5 5) None of these

For f : A to A and A = {1, 2, 3, 4} , f = {(1 ,2), (2,3),(3,4),(4,1)} is

9 3/4-:[2 1/6 +{ 4 1/3-(1 1/2+1 3/4)}]

Points (1, -1), (2, -2), (-3, -4), (4, -5)

(a) show that the following four points are coplanar : (i) (4,5,1), (0,-1,-1) ,(3,9,4) and (-4,4,4) (ii) (0,-1,0), (2 , 1 , -1) , (1,1,1) and (3,3,0). (b) Show that the four points : (0,-1,-1), (4,5,1), (3,9,4) and (-4,4,4) are coplanar. Also,find the equation of the plane containing them .

The mean of the data 1,1/2,1/2,3/4,1/4, 2,1/2, 1/4, 3/4 is.

Verify that (i) 4 is a zero of the polynomial , p (x) = x -4. (ii) -3 is a zero of the polynomial , q (x) = x+3. (iii) (2)/(5) is a zero of the polynomial , f (x) =2 - 5x. (iv) (-1)/(2) is a zero of the polynomial , g (y) = 2y +1.

Find the mode of the data: 2/3, 1/2, 1/2, 1, 1/4, 2, 1/2, 1/4, 3/4