What will be next 26,12,10,16,..... A. 50 B. 52 C. 53 D. 56

The vertices of a quadrilateral are A(-2,6),\ B(1,2),\ C(10 ,4)a n d D(7,8) . Find the equations of its diagonals.

Find out the missing numbers: 100, 50, 52, 26, 28, .......

(51 3)+(50 3)+(49 3)+(48 3)+(47 3)+(47 4) is equal to (where (n r) denotes n C_r ) (52 1) b. (52 2) c. (52 3) d. (52 4)

What should be added to 18 to get -34 (a)52 (b) -52 (c) -16 (d) 16

If A = {3, 6, 9, 12 , 15 , 18 , 21} , B = { 4, 8, 12 ,16 , 20 } , C = { 2, 4, 6, 8, 10 , 12 , 14 , 16 } , D = {5, 10 , 15 , 20 } ; find(i) A - B (ii) A - C (iii) A - D

Find the median of the data: 12,10,14,56,34,20,12,16,31,29

D_(3) for data: 16, 21, 27, 13, 19, 26, 25, 12, 17, 28 is

Given below are the marks obtained by 40 students in an examination : 40 56 24 41 51 22 59 12 26 46 51 14 23 59 58 29 41 35 36 40 42 43 36 33 38 52 23 24 13 55 18 54 20 57 30 24 43 50 26 15 Taking class intervals 10-20, 20-30,. ...., 50-60 , construct a frequency table for the above distribution.

From the prices of shares X and Y below, find out which is more stable in value X 35 54 52 53 56 58 52 50 51 49 . Y 108 107 105 105 106 107 104 103 104 101

If four numbers in A.P. are such that their sum is 50 and the greatest number is 4 times the least, then the numbers are (a) 5, 10, 15, 20 (b) 4, 10, 16, 22 (c) 3, 7, 11, 15 (d) none of these