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The correlation coefficient between X and -X is -1.
Three friends—Arun, Bhavesh, and Chandan—have different ages. Bhavesh is 9 years younger than Chandan. Find Chandan's current...
What is the speed of boy in still water?
Statement I : The speed of man in still water is four times the speed of the stream.
Statem...
What is the time taken by train to go from Station A to Station B?
Statement I: If the train increases its speed by 20%, then it reaches 40 m...
A box contains red and blue marbles. What is the ratio of red marbles to blue marbles in the box?
Statements I: The number of red marbles is 4...
How much profit did the company earn in the year 2016?
I) The company earned 45% more profit in the year 2017 than that in the year 2015.
...
What is three digit number having each digit different from the other?
I. Each of the digits of the given number is a multiple of 2.
...
Harry paid a total of Rs. 800 for a set of different mock tests. How many of the mock tests cost Rs. 40?
I. Each Mock Test costs either 25 or 40<...
In how much time will a train running with a speed of 72 km/hr cross the second train?
Statement I: The length of the two trains is 80 metres ...
The ratio between the present ages of the Mohit and Rekha is 2:3. Find the present age of the Rekha.
I: Difference between the present ages of th...
