Consider the following table of inverse variation: M 1 -6 2 C N -4 A B 60 The values of A, B and C in the above table respectively are `-1,\ -30 ,\ 10` b. `-30 ,\ 10 ,\ -1` c. `10 ,\ -30 ,\ -1` d. `10 ,\ -1,\ 30`

Find the value of (a + b + c) - d , if the following are in proportion. a, 30, 40, 60

In the following table of inverse variation, what are the values of A, B and C respectively ?

The average of 2, 7, 6 and x is 5 and the average of 18, 1, 6, x and y is 10. What is the value of y ? (a) 5 (b) 10 (c) 20 (d) 30

circumcentre of the triangle whose vertices are (1,0),(3,0) and (1,6) is

If in a DeltaABC,A=30^(@),B=45^(@) and a = 1, then the values of b and c are respectively

If the radius of a sphere is increased by 10%, then the volume will be increased by (a) 33.1% (b) 30% (c) 50% (d) 10%

Three numbers are in the ratio 1:2:3 and their HCF is 6, the numbers are 4,8,12 (b) 5,10 ,15 (c) 6,12,18 (d) 10,20,30

Three numbers are in the ratio 1:2:3 and their H.C.F.is 12. The numbers are (a) 4,8 ,12 (b) 5,10,15 (c) 10,20,30 (d) 12 ,24,36

In which of the following tables, a\ a n d\ b vary directly. Also, find the constant of variation if a\ a n d\ b are in direct variation. (i) a, 4, 7, 21, 28 b, 12, 21, 63, 84 (ii) a, 2.5, 5, 7.5, 10, 15 b, 10, 20, 30, 40, 60 (iii) a, 1, 2, 3, 4, 5 b, 2, 1, 6, 3, 2/5

The value of ((30), (0))((30), (10))-((30), (1))((30),( 11)) +(30 2)(30 12)++(30 20)(30 30)= ^60 C 20 b. ^30 C 10 c. ^60 C 30 d. ^40 C 30