Question
The ratio of the incomes of Vineet and Vidya is 13:10
respectively. Vineet saves 20% of his income while Vidya saves 15% of his income. The sum of their expenditures is Rs.56700. Find the difference between their incomes.Solution
Let the incomes of Vineet and Vidya be Rs. 13x and Rs. 10x respectively. According to the question, => 0.80 x 13x + 0.80 x 85x = 56700 => 10.4x + 8.5x = 56700 => x = 3000 Required difference = 13x – 10x = 3x = Rs.9000
A fruit seller sells apples at a profit of 20% and oranges at a loss of 10%. If the ratio of apples to oranges sold is 3:2 and the overall profit is rup...
- What type of virus attaches itself to the execution of other software programs?
Ten years from now, the ages of A and B will be in a ratio of 7:9. C's current age is half of B's current age. Five years from now, the ratio of C's age...
A person deposits ₹12,000 in a bank offering a 5% interest rate compounded annually. After 2 years, how much interest will he have earned?
- A sum of Rs. 55,000 becomes Rs. 72,600 after 2 years when invested at simple interest at r% per annum. What will be the simple interest earned on Rs. 80,00...
Two circles of radii 8 cm and 3 cm have their centers 15 cm apart. What is the length of the common internal tangent?
What does "M" stand for in the term CDMA?
What is the purpose of a "Page Table" in virtual memory systems?
Which of the following software is also known as the end-user program?
- What is computer memory primarily composed of?
Relevant for Exams:
