Advertisements
Advertisements
प्रश्न
The sum of two numbers is 50, and their difference is 10. Find the numbers.
उत्तर
Let the two nos be x and y
Then, as per the questions,
Their Sum = x + y = 50
Their difference = x + y = 10
Then, adding the two equations, 2x = 60
x = 30, y = 20.
APPEARS IN
संबंधित प्रश्न
Solve the following equation:
5 – d= 12
Solve the following equation:
2a – 3 =5
5y + 8 = 8y – 18
0.4x – 1.2 = 0.3x + 0.6
Solve: `"x"/2 + "x" = 9`
The difference between two numbers is 7. Six times the smaller plus the larger is 77. Find the numbers.
Solve the following equations for the unknown: 2x - (3x - 4) = 3x - 4
Solve the following equation for the unknown: `-(3.4"m")/(2.7) = (10.2)/(9)`
The perimeter of a rectangular field is 140 m. If the length of the field is increased by 2 m and the breadth decreased by 3m, the area is decreased by 66 m2. Find the length and breadth of the field.
What number decreased by 18% of itself gives 1599?