Question
A shopkeeper sells rice at 10% profit and uses weight
30% less than the actual measure. His gain percent isSolution
let the weight be 1000 g altered weight=1000- 30% of 1000 = 1000 -300 = 700g gain %= [100+profit%](1000 / altered weight) -100 gain % = [100+10] (1000/700)-100 = (1100 – 700)/7 = 400/7 57(1/7)%
The lines x + y = 9 and x - y = 3 intersect at point P. Find the coordinates of P.
Solve: 2x + 3y = 19 and x − y = 2, Find x and y
Solve for x: 5x − 7 = 3x + 9
For given pair of equations, how many solutions are possible?
4x + 6y = 16 and 8x + 12y = 32
If 2x + 3y = 27 and 3x - y = 13, find (x + y).
For given pair of equations, how many solutions are possible?
5x − 2y = 12 and 10x − 4y = 24
The equations 6x + my + 18 = 0 and 9x + 21y + 27 = 0 have a unique solution. Which of the following statements is definitely true?
Solve: (x/3) + (x/5) = 16
For given pair of equations, how many solutions are possible?
2x + 3y = 10 and 4x + 5y = 18
I. p2 – 5p + 6 = 0                 Â
II. 36q2 = 81
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