Given that `P+Q+R=0`. Which of the following statement is true?

Consider the set of all lines px+qy+r=0 such that 3p+2q+4r=0. Which one of the following statements is true ?

Consider the set of all lines px+qy+r=0 such that 3p+2q+4r=0. Which one of the following statements is true ?

Consider the set of all lines px+qy+r=0 such that 3p+2q+4r=0. Which one of the following statements is true ?

Refer to the given Venn diagram showing three organisms P, Q and R. Which of the following statements hold true regarding P, Q and R? (i) Chlamydomonas is shown as R. (ii) Yeast is shown as Q. (iii) Euglena is shown as P. (iv) Organisms R and P form symbiotic association called lichen.

If p and q are true statements in logic, which of the following statement pattern is true?

If p and q are true statements in logic, which of the following statement pattern is true?

Consider a triangle PQR having sides of lengths p,q,r opposite to the angles P,Q,R respectively. Then which of the following statements is (are) true?

If p is true and q is false, then which of the following statements is NOT true ?

If p is true and q is false, then which of the following statements is NOT true ?

If p is true and q is false, then which of the following statements is not true?