A man spends 1/5 part of his income on his life insurance and 1/3 part on food. If he deposites the remaining sum of rs 8400 in a bank.find his income.
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Let the total income be 'x'
part of life insurance = 1/5 = 1/5 × x
food = 1/3 × x
Savings=8400
x - x/5 - x/3 = 8400
15x - 3x -5x / 15 = 8400
7x = 8400 × 15
7x = 126000
x = 126000/ 7 = 18000 is the income
part of life insurance = 1/5 = 1/5 × x
food = 1/3 × x
Savings=8400
x - x/5 - x/3 = 8400
15x - 3x -5x / 15 = 8400
7x = 8400 × 15
7x = 126000
x = 126000/ 7 = 18000 is the income
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