Question
Income of A is 55% of the Income of B and A together.
The saving of B is 32% of his Income and equals to Rs. 8100. Find the difference between the incomes of A and B.Solution
Let the total income of A and B = Rs. x Income of A = x × 55% = Rs. 0.55x Income of B = x – 0.55x = Rs. 0.45x Savings of B = 0.45x × 32% = Rs. 0.144x According to the question, 0.144x = 8100 Or, x = 56250 Difference between their incomes = 0.55x – 0.45x = 0.1x = Rs. 5625
- Which of the following numbers is not a perfect square?
A lending library has a fixed charge for the first 7 days and an additional charge for each day thereafter. Sahil paid Rs . 215 for a book kept for 15 ...
- A number exceeds 40 times its reciprocal by 7/8. Determine the number.
Find the greatest 4‑digit number which is exactly divisible by 12, 15 and 20.
In a two digit positive number, the digit in the unit’s place is equal to the square of the digit in ten’s place, and the difference between...
- Find the median of the following observations:
120, 125, 115, 130, 140, 135, 145 - Find the smallest number that is divisible by 14, 28, and 42.
Determine the highest possible value of (x + y) if the number '3x725y4' is divisible by 12.
Find the least number to be added to 1500 to make it a perfect square.
If y = 5, then what is the value of 10y