Give the answer for the following in the roman numerals

$\mathrm{XC}+\mathrm{X}$.

Give the answer for the following in the roman numerals

$\mathrm{XXX}-\mathrm{V}$.

Give the answer for the following in the roman numerals

$\mathrm{XCII}-\mathrm{XXVII}$.

Give the answer for the following in the roman numerals

$\mathrm{XLIV}+\mathrm{XX}$.

Give the answer for the following in the roman numerals

$\mathrm{XCV}-\mathrm{LXXV}$.

Give the answer for the following in the roman numerals

$\mathrm{LX}-\mathrm{XL}$.

Write the following Roman numerals as Hindu-Arabic numerals:

$LXII$ 

Write the following Roman numerals as Hindu-Arabic numerals:

$DCCXL$ 

Write the following Roman numerals as Hindu-Arabic numerals:

$XLIX$