Question
If the ratio of the sum invested and simple interest
received after 1 year is 25:9 respectively, then find the rate of interest.Solution
Let the sum invested and simple interest received be Rs.25x and Rs.9x respectively. Let the rate of investment be r% p.a. Therefore, {(25x × 1 × r)/100} = 9x => r = 36%
The combined salaries of 'Arvind' and 'Bhanu' amount to Rs. 20,000. 'Arvind' utilized 80% of his salary, while 'Bhanu' spent 60% of his salary, resultin...
In 2018, the income-to-expenditure ratio of Vishal was 5:3. The following year, his income increased by 10% while his expenditure rose by 15%. Determine...
- Neha spent 30% of her income on education and out of the remaining amount, she spent 25% on travel, 20% on health, 15% on entertainment, and saved Rs. 2000...
Heena decided to save 15% of her salary as fixed deposit. Later, she changed her mind and saved Rs 4800 which was 80% of what she had decided earlier. ...
In a test, P got 26% of total marks and failed by 25 marks while Q got 44% of total marks which is 20 more than passing marks. Find the total marks of t...
- In an election, 7% of the total voters didn’t participate. Out of the remaining, one candidate received 49% of the total votes and won the election by 12...
Out of the total income of Ravi, he spends 50% on food, 10% on rent and 20% on groceries. Out of the remaining income, he donates 30% in a charity and s...
A man invested all his current month income in starting of a new business in which he spends 30% in advertisement 15% of remaining in furniture 20% of r...
- Out of 6000 participants in a conference in 2021, 70% were women and the rest were men. In 2022, the number of women increased by 30% while the number of m...
Monthly savings of X is 60% of his monthly income which is Rs. 9000. If ratio of monthly expenditure of Y and X is 15:8 respectively and monthly savings...
