1.

The respective ratio between the monthly salary of Om and that of Pihu is 7 : 9. Om and Pihu, both save 20% and 40% of their monthly salary respectively. Om invest $$\frac{1}{2}$$ of his savings in PPF and Pihu invests $$\frac{7}{9}$$ th of his savings in PPF. If Om and Pihu together saved Rs.17,500/in PPF, what is Pihu's monthly salary?1). Rs. 72,0002). Rs. 36,0003). Rs. 45,0004). Rs. 22,000

Answer»

Solution

Let the monthly salary of Om be 7x
Monthly salary of Pihu = 9x
Savings of Om = $7x \times \frac{20}{100} = \frac{7x}{5}$
Savings of Pihu = $9x \times \frac{40}{100} = \frac{18X}{5}$
GIVEN that,
$\frac{1}{2}\times \frac{7x}{5} + \frac{7}{9}\times \frac{18x}{5} = 17500$
$x = 5000$
Pihu's monthly salary $= 9x = $RS. 45000



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