निम्नलिखित में से किस अक्षर में क्षैतिज और ऊर्ध्वाधर दोनों सममिति रेखाएँ हैं?

Which of the following English capital letters has exactly one line of symmetry?

Which of the following capital letters of the English alphabet does not have rotational symmetry (for an angle of rotation less than 360°)?

Which of the following figures has linear symmetry but no rotational symmetry?