Question

Mr karan spend 20% on house rent and 60%of remaining on household expenditure he saves 2400 what is income

Answer 1

let income= x

20% of x=20x/100=x/5

remaining = x - x/5 =4x/5

on household=60% of 4x/5
=(60*4x)/500
=24x/50
=12x/25

saving=x-12x/25-x/5
=(25x-12x-5x)/25
=8x/25=2400
=8x=25*2400
x=25*300=7500

income is 7500

Answer 2

heya!!

let the income be x 

Then house rent => 20% of x=20x/100=x/5

Remaining= x - x/5 = 4x/5

Money spent on household
= 60% of 4x/5
= (60 × 4x) / 500
= 24x/50
= 12x/25

Saving
=> x - 12x/25 - x/5
=> (25x - 12x - 5x)/25
=> 8x/25 = 2400
=> 8x = 25 × 2400
=> x = 25 × 300 = 7500

Hence, income = ₹7500

hope it helps!!