Can a Sephardi Man Wear Ashkenazi Tefillin?

Quiz

1 - Where a letter in a Sefer Torah is not written exactly as it was supposed to be, but is nevertheless readable, which of the following statements is applicable?

• The Sefer Torah is pasul.
• If someone read from it, they did not fulfil their obligation.
• It is nevertheless kosher.

2 - Where an Ashkenazi is called up to the Torah reading in a Sephardi Shul, which of the following is applicable?

• He should refuse.
• He may not refuse and shall fulfil his obligation.
• He may not refuse but does not fulfil his obligation.

3 - When a letter in a Sefer Torah is not recognizable, which of the following is applicable?

• The Sefer Torah is pasul.
• The Sefer Torah is nevertheless kosher as long as it is only one letter.
• The Sefer Torah is kosher even if there are up to ten similar mistakes.