Which of the letters of the English alphabet have only one line of symmetry ?

The letter O of the English alphabet has

The letter Z of the English alphabet has

Which letters of the English alphabet have : no lines of symmetry

the letter O of the English alphabet has how many lines of symmetry

The letter Z of the English alphabet has how many lines of symmetry

Which of the following letter of English alphabet has only two lines of symmetry?

Which capital letters of English alphabet have no line of symmetry?

The number of capital letters of the English alphabets having only vertical line of symmetry is________.

The number of capital letters of the English alphabets having only horizontal line of symmetry is________.