1.

Ram Spent 20% on room rent, 10% of the remaining salary on groceries and gives Rs. 3600 to his brother. Find the total amount.1. Rs. 5,0002. Rs. 4,0003. Rs. 2,5004. Rs. 3,0005. None of these

Answer» Correct Answer - Option 1 : Rs. 5,000

Given:

20% spent to room rent, 10% Remaining salary and Rs. 3600 gives to brother

Calculation:

Let Ram monthly income be = 100

According to question,

Room rent expenditure = (100 -20)

⇒ 80

Remaining amount groceries   expenditure = 80 of 10%

⇒ 8

Remaing amount gives his brother = {100 - (20 - 8)

⇒ 72

Giving to, 

⇒ 3600 = 72

⇒ 50

⇒ Total monthly income is 50 × 100 

⇒ 5,000

∴ Total monthly income is Rs. 5,000



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