44th B.P.S.C. (Pre) 2000
Which of the following statements is not true?
aThe square of every negative number is positive
bA negative number does not have a square root
cπ is a negative number✓ Correct
dπ is an algebraic number
Explanation
(i) The square of every negative number is positive, this statement is true. (ii) A negative number root does not have a square root, its square root is imaginary. (iii) π is an algebraic number. In fact, π its the ratio of circumference and diameter of a circle, It is not possible for the ratio to be negative.
general-mental-ability