1) In which of the following cases does one have to repeat the entire prayer?

1. If one omits the Takbiratul-Ihram.
2. If one unintentionally adds or subtracts to the number of rakahs.
3. If one is in doubt of the number of rakahs prayed.
4. All of the above.

2) At which point of salah is one required to perform the “prostration of forgetfulness”?

1. Before salah.
2. At the conclusion of salah.
3. After the first rakah.
4. Along with the next upcoming salah.

3) With regards to mistakes pertaining to which of the following actions is one required to perform the “prostration of forgetfulness”?

1. rakahs.
2. tashahhud.
3. prostration.
4. All of the above.

4) In order to make up for major errors during salah one is required to perform the “prostration of forgetfulness”. How many prostrations are these?

1. One.
2. Two.
3. Three.
4. Four.

5) Select a false statement.

1. The “prostration of forgetfulness” is not required if one forgets to perform a recommended act of prayer.
2. The “prostration of forgetfulness” is required if one unintentionally leaves out a wajib (obligatory act of prayer).
3. The “prostration of forgetfulness” is not required if one leaves out a rukn (essential component of prayer).
4. None of the above.

6) When is sajdah as-sahw required?

1. Only when you add to the acts of salah.
2. Only when you subtract to the acts of salah.
3. When you forget the number of rakahs and are in doubt.
4. When you add or subtract to the acts of salah.
5. Option C and D.