What is between the Roman numerals XL and LX?

Answer 1

Roman numerals XL is 40, and LX is 60. Numbers in-between are XLI, XLII, XLIII, XLIV. XLV, XLVI, XLVII, XLVIII, XLVIX, L, LI, LII, LIII, LIV. LV. LVI, LVII, ;LVIII, and LVIX.

Answer 2

Between the Roman numerals XL (40) and LX (60) is the Roman numeral L (50). In Roman numerals, L represents the number 50. So the sequence would be XL, L, LX.

Answer 3

LXV