There is absolutely no planet between Mars and Jupiter. I don't know where you got this question from, but that is weird. Maybe they are refering to the asteroid belt that is between these two planets.
Jupiter orbits between Mars and Saturn's orbit.
The asteroid belt is located between the orbits of Mars and Jupiter.
The planet Mars orbits immediately closer to the Sun than the Asteroid Belt. The so-called "main belt" has many millions of asteroids, the remnants of a failed planetoid that might have formed between Mars and Jupiter.Mars. The asteroid belt lies between the orbits of Mars and Jupiter.
The asteroid belt is located between the orbits of Jupiter and Mars.
The asteroid belt is what is between the orbits of Mars and Jupiter.
Ceres is the smallest of the five dwarf planets, which orbits between Mars and Jupiter.
Between the orbits of Mars and Jupiter is the Asteroid Belt, which includes the dwarf planet Ceres.
Asteroids
You are probably an asteroid!
Jupiter
The asteroid belt is located between the orbits of Mars and Jupiter.
Jupiter orbits between Mars and Saturn's orbit.
The Asteroid Belt is found in between Mars And Jupiter. The orbits of the dwarf planet Ceres and the protoplanets Vesta and Pallas are also located between the orbits of Mars and Jupiter (Ceres, Vesta, and Pallas are sometimes classified as asteroids).
The asteroid belt is located between the orbits of Mars and Jupiter.
The planet Mars orbits immediately closer to the Sun than the Asteroid Belt. The so-called "main belt" has many millions of asteroids, the remnants of a failed planetoid that might have formed between Mars and Jupiter.Mars. The asteroid belt lies between the orbits of Mars and Jupiter.
The asteroid belt is located between the orbits of Jupiter and Mars.
The asteroid belt is what is between the orbits of Mars and Jupiter.