Advertisements
Advertisements
प्रश्न
Fifteen more than 3 times Neetu’s age is the same as 4 times her age. How old is she ?
Advertisements
उत्तर
Let Neetu’s age = x years
3 times Neetu’s age = 3x years
Fifteen more than 3 times Neetu’s age = (3x + 15) years
4 times Neetu’s age = 4x
According to the statement :
4x = 3x + 15
⇒ 4x – 3x = 15
⇒ x = 15
Neetu’s age = 15 years
APPEARS IN
संबंधित प्रश्न
Solve the following equation:
20 = 6 + 2x
Solve: `"2x"/3 - ("x" - 1)/6 + ("7x" - 1)/4 = 2 1/6` Hence, find the value of 'a', if `1/"a" + 5"x" = 8`
Solve: 0.25 + `1.95/"x" = 0.9`
A rectangle’s length is 5 cm less than twice its width. If the length is decreased by 5 cm and width is increased by 2 cm; the perimeter of the resulting rectangle will be 74 cm. Find the length and width of the origi¬nal rectangle.
The sum of three consecutive odd numbers is 57. Find the numbers.
Solve: `(3"x" - 2)/4 - ("2x" + 3)/3 = 2/3 - "x"`
Solve: `(3"x" - 2)/3 + (2"x" + 3)/2 = "x" + 7/6`
The sum of two numbers is 405 and their ratio is 8 : 7. Find the numbers.
Solve the following inequalities
4n + 7 ≥ 3n + 10, n is an integer
Solve the following inequalities
−13 ≤ 5x + 2 ≤ 32, x is an integer
