If `(x-1)/x=3` , then the value of `1+1/(x^2)` is (a) 9 (b) 10 (c) 11 (d) None of these

The minimum value of 2^((x^(2)-3)^(3)+27) is 2^(27) (b) 2 (c) 1 (d) none of these

If x lies in the interval [0,1], then the least value of x^(2)+x+1 is (a) 3/4(c)1 (d) none of these

The minimum value of (x)/((log)_(e)x) is e(b)1/e(c)1(d) none of these

If a (A) x=0 (B) x=1 (C) x=2 (D) None of these.

If 3y+9x=54 and (28x)/(13y)=(140)/(39), then what is the value of y-x?-2(b)-1(c)1(d)2 (e) None of these

Minimum value of f(x)=2x^(2)-4x+5 is 1 (b) -1(c)11 (d) 3

If sqrt(1369)+sqrt(.0615+x)=37.25, then x is equal to 10^(-1) (b) 10^(-2)(c)10^(-3) (d) None of these

For all real value of x, the maximum value of the expression (x)/(x^(2)-5x+9) is 1( b) 45(c)90 (d) None of these

For the function f(x)=x+1/x ,\ \ x in [1,\ 3] , the value of c for the Lagranges mean value theorem is (a) 1 (b) sqrt(3) (c) 2 (d) none of these

If 8^(x+1)=64, what is the value of 3^(2x+1)?1 (b) 3 (c) 9 (d) 27