Question : A person spends 25% of his income on goods for daily use. Furthermore, he spends 18% of the rest on house rent and 16% of the rest on travel. After that, only INR 861 is left with him. What is his salary (in INR)?
Option 1: $1852 \frac{1}{3}$
Option 2: $1666 \frac{2}{3}$
Option 3: $1563 \frac{1}{3}$
Option 4: $1426 \frac{1}{3}$
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Correct Answer: $1666 \frac{2}{3}$
Solution : Given: The person spends 25% of his income on goods of daily use. Let the person's total salary be 100,000y. Then, the person has left 100,000y × 75% = 75000y He spends 18% of the rest on house rent. Then, the person has 75000y × 82% = 61500y And 16% of the rest on travel. Then, the person has 61500y × 84% = 51660y According to the question, 51660y = 861 ⇒ y = $\frac{861}{51660}$ So, the total salary is 100000y = $\frac{100000 × 861}{51660}$ = $\frac{86100000}{51660}$ = $\frac{5000}{3}$ = INR $1666 \frac{2}{3}$ Hence, the correct answer is $1666 \frac{2}{3}$.
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Question : The rate of simple interest for which INR 9,000 will amount to INR 10,200 in 4 years is:
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Question : Find the Simple Interest on INR 27,000 at $14 \frac{2}{3}$% per annum for 8 months.
Question : What is the value of $\frac{\frac{1}{3}+\frac{1}{3}\times\frac{1}{3}}{\frac{1}{3}\times\frac{1}{3}+\frac{1}{3}}$?
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