If a pair of linear equations in two variables is consistent, then the lines represented by two equations are
Sum of two numbers is 64 and their difference is 22. Find the numbers.
1 Crore+ students have signed up on EduRev. Have you? Download the App |
Value of x in pair of linear equations 36x + 24y = 702 and 24x + 36y = 558 is
The solution of the system of equations (where x ≠ 0, y ≠ 0), is _______.
Arun and Prabhat have some books with them. Once Prabhat said to Arun that, if Arun gives 3 books to Prabhat then Arun will have only 1/2 of the books that Prabhat will have with him. Then Arun asked frankly that if Prabhat gives him only two books (to Arun), then Prabhat will have as many books as Arun will have. The total number of books that Arun and Prabhat have with them is _______.
Which of the following linear equation coincide with the line 4x + 5y = 15?
A boat goes 32 km upstream and 36 km downstream in 7 hours. In 9 hours, it can go 40 km upstream and 48 km downstream. If x represents the speed of the boat in still water in km/hr and y represents the speed of the stream in km/hr, then_______.
Places M and N are 90 km apart from each other on a national highway. A truck starts from M and another from N at the same time. If they go in the same direction, then they meet in 9 hours and if they go in opposite directions they meet in 9/7 hours. The speed of the trucks are _______.
On selling a tea-set at 5% loss and lemonset at 15% gain, a crockery seller gains ₹ 7. If he sells the tea-set at 5% gain and the lemon-set at 10% gain, he gains ₹ 13. Find the actual prices of the tea-set and the lemon-set.
At the end of the year 2002, Ram was half as old as his grandpa. The sum of the years in which they were born is 3854. Age of Ram at the end of year 2003 is _______.