A gas is heated through $1^{\large\circ}C$ in a closed vessel and so the pressure increases by $0.4\%$ . The initial temperature of the gas was

Question

$(a)\;250^{\large\circ}C\qquad(b)\;100^{\large\circ}C\qquad(c)\;-75^{\large\circ}C\qquad(d)\;-23{\large\circ}C$