JIPMAT (QA) PYQs

If $\dfrac{a}{b+c}=\dfrac{b}{c+a}=\dfrac{c}{a+b}=k$ then value of $k$ is

If $a\times b=2 a-3 b+a b$,then $3 \times 5+5 \times 3$ is equal to

The total number of seconds in P weeks, P days, P hours, P minutes, and P seconds is: