if r+s=t and x=y then the true statement is
A)r+s-x=y-t
B)r+s-t=s+y
C)r+s+x=t+y
D)r+s+t=x-y

2.If r+s=t and x=y then the true statement is (A)r+s-x=y-t (B)r+s-t=x+y (C)r+s+x=t+y (D)r+s+t=x-y

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it. r t x_ s x _ z _ t x y _ _ y z

The point of intersection of the curve whose parametrix equations are x=t^(2)+1, y=2t" and " x=2s, y=2/s, is given by

The x and y coordinates of the particle at any time are x=5t-2t^(2) and y=10t respectively, where x and y are in meters and t in seconds. The acceleration of the particle at t=2s is:

The distance between the lines x=1-4t, y=2+t, z=3+2t" and "x=1+s, y=4-2s, z=-1+s is

Let s , t , r be non-zero complex numbers and L be the set of solutions z=x+i y (x , y in RR, i=sqrt(-1)) of the equation s z+t z +r=0 , where z =x-i y . Then, which of the following statement(s) is (are) TRUE? If L has exactly one element, then |s|!=|t| (b) If |s|=|t| , then L has infinitely many elements (c) The number of elements in Lnn{z :|z-1+i|=5} is at most 2 (d) If L has more than one element, then L has infinitely many elements

R and S are brothers, X is the sister of Y and X is the mother of R. What is Y to S?

The x and y coordinates of a particle at any time t are given by x = 2t + 4t^2 and y = 5t , where x and y are in metre and t in second. The acceleration of the particle at t = 5 s is

The equations of motion of a particle P(x,y) on a plane are given by x=4+r. cos t, y=6+r. sin t , where t is time and r is constant . Its velocity at time t is