The assertion states that Prithvi Raj Chauhan defeated Muhammad Ghori in the First Battle of Tarain, while the reason given is that Jai Chand helped Prithvi Raj with his soldiers in the battle.

Option 1 suggests that both the assertion and reason are true, and the reason is the correct explanation of the assertion. In this case, it would mean that Prithvi Raj`s victory was primarily due to the assistance provided by Jai Chand. However, this option is not correct because there is no evidence or historical documentation supporting the claim that Jai Chand played a significant role in Prithvi Raj`s victory.

Option 2 states that both the assertion and reason are true, but the reason does not explain the assertion. This option is correct because even though both statements may individually be true, there is no direct causal relationship between Jai Chand`s assistance and Prithvi Raj`s victory.

Option 3 suggests that the assertion is true, but the reason is false. This is the correct answer because there is no historical evidence supporting the claim that Jai Chand helped Prithvi Raj in the battle.

Option 4 implies that the assertion is false, but the reason is true. However, this is incorrect because Prithvi Raj did indeed