Question
The value of a stock increased by 25% in the first
quarter of the year. In the second quarter, it decreased by 10% from its value at the end of the first quarter. If the stock's value at the end of the second quarter is Rs 225, what was its original value?Solution
Let the original value of stock = 100x Value of stock after first quarter = 125x Value of stock after second quarter = 90% of 125x = 112.5x 112.5x = 225 x = 2 original value of stock = 100x = 200
- Riya got 40% more marks in Economics than in Business Studies. If her average score in Economics, Business Studies, and Accounts is 95, and she scored 105 ...
The earnings ratio of individuals 'P' and 'Q' stands at 5:3, respectively. 'P' manages to save 20% of their income, which is precisely 80% of what 'Q' s...
A bag contains 400 coins of 25p denomination and 800 coins of 50p denominations. If 14% of 25p coins and 28% of 50p coins are removed, the percentage of...
- In a university examination, the passing marks are set at 50%. Marks obtained by βXβ are 12% less than the passing marks, and βYβ scores 30% marks ...
Income of Neel is 20% more than the expenditure of Kabir. Income of Kabir is 33β % more than the expenditure of Neel. If savings of Kabir is Rs. 1,000 ...
If the price of an essential good rises by 18% and the consumer decreases his consumption by 12%, what will be the percentage change in the expenditure?
- When 105 is added to a number, the result is 175% of the number. Calculate 60% of that number.
Monthly savings of βAβ is Rs. 700 more than his monthly expenditure and his total monthly income is Rs. 6500. If his monthly income is increased by ...
What is the percentage change in the result when we add 36 to a certain number x, instead of subtracting 36 from the same number x?
A racing car going at an average speed of 108 km/hr takes 15 minutes to complete a lap on a racing track. By how much should it increase its speed (in ...