The values of the numbers 22004 and 52004 are written one after another. How many digits are there in all
A. 4008
B. 2003
C. 2004
D. None of these
If a = 0.1039, then the value of √4a2-4a+1 +3a is
A. 0.1039
B. 0.2078
C. 1.1039
D. 2.1039
If x2+y2+z2-64/xy-yz-zx=-2and x + y = 3z, then the value of z is:
A. 2
B. 3
C. 4
D. None of these
If pqr = 1, the value of the expression (1/(1 + p + q-1)) + (1/(1 + q + r-1)) + (1/(1 + r + p-1)) is equal to
A. p + q + r
B. 1/(p + q + r)
C. 1
D. p-1+ q-1+ r-1