If both are negative, coefficient of correlation will be negative.
Total monthly income of A, B and C is Rs.1,02,720.A, B and C save 20%, 10% and 25%, of their incomes. If the ratio of their monthly expenditures is 3 : ...
In the last financial year the ratio of the monthly incomes of Viraj and Rohan was m : n and the ratio of their monthly expenditures was p : n. In the c...
"The monthly incomes of Amit and Bhuvan are in the ratio of 8:5. Bhuvan's monthly expenditure is 70% higher than Amit's monthly s...
If 5% salary of Amit is equal to 15% salary of Ravi and 10% salary of Ravi is equal to 20% salary of Danny. If the salary of Danny is given as ₹80...
The sum of the income of Raj and Roni is Rs. 168000. A spends 50% of his income and B spends 75% of his income in such a way that B’s saving is Rs. 90...
The Salary ratio of Prachi to Qureshi is 8:5. Prachi spends 75% of her Salary, while Qureshi spends 40% of his Salary.The difference in their savings am...
The monthly income of Anamika and Vimla is in the ratio 4:3. Anamika's monthly savings are 25% more than Vimla's. Vimla's monthly expenditure is Rs. 6,0...
A spent 26% of his monthly income on study and 55% of the remaining on rent. If amount spent on rent is Rs. 2035, then find the amount spent on study
Person X's earnings exceed Person Y's by 25%, and both individuals manage to save Rs. 2400 each. The ratio of Person Y's expenses to Person X's expenses...
The ratio of the monthly income of K and L is 8:13, respectively, and their expenditures are Rs. 2500 and Rs. 5000, respectively. Find the difference be...
