Question
Monthly income of A is Rs. 6500 and he saves 36% of his
monthly income. If monthly expenditure of A is decreased by 35% while his monthly savings is increased by 35% then find the increase or decrease in his monthly income.Solution
Given Data: Monthly Income = Rs. 6500 Savings (36%) = Rs. 2340 Expenditure = Rs. 4160 (Income - Savings) Changes: Expenditure decreased by 35% → New Expenditure = 4160 - 35% of 4160 = Rs. 2704 Savings increased by 35% → New Savings = 2340 + 35% of 2340 = Rs. 3159 New Income: New Income=New Expenditure + New Savings = 2704+3159=5863 Change in Income: Change Change=5863−6500=−637 Income decreased by Rs. 637.
The mean of 12 numbers is 15. When two additional numbers, x and y , are included, the average increases by 1. Given that the difference between x and y...
Find the number of factors in 1750.
How many terms are there in the geometric progression 7, 14, 28, ......, 14336?
The ratio of Raj’s to Simran’s salary is 3: 5. If Simran’s salary is increased by 25%, her total salary becomes Rs. 54,000. What is th...
Find the sum of digits of the greatest three-digit number which leaves a remainder of 5 when divided by 8, 9 and 12.
Find the sum of all natural numbers less than 1000 that are multiples of 3 but not of 5.
- Five consecutive even integers add up to 180. Find the difference between the cube of the smallest and the square of the largest.
The sum of four consecutive counting numbers is 154. Find the smallest number?
Find the third proportion of 22 and 11.
A test consists of 20 questions, where each question is worth either 3 marks or 5 marks. The total marks for the entire test add up to 70. How many ques...