Which of the following is correct regarding Correlation coefficient?
Correlation coefficient is independent of both scale and origin of independent variables.
The ratio of liquor and soda in a mixture of 60 liters is 3:2. How much soda should be mixed to make the ratio 5:7?
There are three mixtures A, B and C. Mixture A contains 11% of water and B contains 16% of water. If A and B are mixed together than resultant mixture c...
A principal of ₹6000 is invested at a rate of 10% per annum. What is the difference between the simple interest and compound interest earned after 2 y...
Ratio of present ages of mother and her son is 21:10 respectively. Father’s present age is 17 years more than that of mother. If the present average a...
In a zoo, tiger and ostrich were counted. If heads were counted, there are 400 and if legs are counted there were 820. How many ostrich are there?
In what ratio coffee at 265 Rs/kg should be mixed with the coffee at 305 Rs/kg so that after mixture its rate become 280 Rs/kg if the quantity of 1st ty...
Neha spends 80% of her monthly income. Next month, her income increased by 20% while her expenditure increased by 15%. Due to this, her monthly savings ...
Consider three numbers 'X', 'Y', and 'Z' that are in the ratio 18:25:30. If the value of 'X' and 'Z' is decreased by 12.5%, and t...
A shopkeeper mixes two types of rice costing Rs 60 per kg and Rs 80 per kg in a ratio. He sells the mixture at Rs 85 per kg and gains a profit of 25%. I...
In what ratio must a person mix three kinds of rice costing him Rs 1.16,Rs 1.40 and Rs 1.72 per Kg so that the mixture may be worth Rs 1.37 per Kg?
