From his monthly salary, Shyam invests 15% in a scheme, 25% he pays as EMI towards a loan and 40% he keeps aside for his monthly expenses. If the remaining Z 4,800/- he keeps in his bank account, what is his monthly salary ?
Let Shyam's monthly salary = Rs. $$100x$$
Shyam's % expenses = 15 + 25 + 40 = 80%
=> Shyam's % savings = 100 - 80 = 20%
=> Shyam's savings = $$\frac{20}{100} \times 100x = 20x$$
Acc to ques,
=> $$20x = 4800$$
=> $$x = \frac{4800}{20} = 240$$
$$\therefore$$ Shyam's monthly salary = 100 * 240
= Rs. 24,000
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