Advertisements
Advertisements
प्रश्न
A number decreased by 30 is the same as 14 decreased by 3 times the number; Find the number.
Advertisements
उत्तर
Let the required number = x
The number decreased by 30 = x – 30
14 decreased by 3 times the number = 14 – 3x
According to the statement:
x – 30 = 14 – 3x
⇒ x + 3x = 14 + 30
⇒ 4x = 44
x = 11
Required number = 11
APPEARS IN
संबंधित प्रश्न
If Megha’s age is increased by three times her age, the result is 60 years. Find her age
A man is 42 years old and his son is 12 years old. In how many years will the age of the son be half the age of the man at that time?
Solve: `1/3"x" - 6 = 5/2`
Solve: `("x" + 2)/3 - ("x" + 1)/5 = ("x" - 3)/4 - 1`
Solve: `(3"x" - 2)/3 + (2"x" + 3)/2 = "x" + 7/6`
Solve: `("9x" + 7)/2 - ("x" - ("x" - 2)/7) = 36`
Given that x ≥ y. Fill in the blank with suitable inequality sign
x + 6 `square` y + 6
Given that x ≥ y. Fill in the blank with suitable inequality sign
– xy `square` – y2
When x is an integer, the solution set for x ≤ 0 are −1, −2, ...
Solve the following inequation
x – 6 < 1, where x is a natural number
