The term אין לה קבע means

• it is not actual

• it is not proper

• it is not set

• none of the answers here

The Gemara says that if it only meant that Arvis was all night, it should have said...

• תפילת הערב כל הלילה

• תפילת ערבית חובה

• תפילת ערבית רשות

So by saying אין לה קבע, the mishna is teaching

• תפילת ערבית חובה

• תפילת ערבית רשות

The student asked R. Yehoshua. He replied

• חובה

• רשות

The student asked Rabban Gamliel. He replied

• חובה

• רשות

Initially, R. Yehoshua denied in front of Rabban Gamliel that he said רשות

• True

• False

R. Yehoshua never admitted that he had said רשות

• True

• False

The other case in which RG embarrassed R. Yehoshua involved...

• Calling him a strange name in front of a group of people

• Making him pay for an aveira that he did

• Making him come on R. Yehoshua's Yom Kippur with his money and his walking stick

• None of the answers here

R. Elazar Ben Azaria, who replaced Rabban Gamliel, was

• 70 years old

• 18 years old

• 45 years old