Advertisements
Advertisements
Question
Two-fifths of a number subtracted from three-fourths of it gives 56, find the number.
Advertisements
Solution
Let the required number = x
According to the sum,
`3/4"x" - 2/5"x" = 56`
`("15x" - "8x")/20 = 56`
`=> 7/20"x" = 56`
`=> "x" = (56 xx 20)/7 = 8 xx 20 = 160`
∴ Required number = 160
RELATED QUESTIONS
The age of a man is 27 years more than the age of his son. If the sum of their ages is 47 years, find the age of the son and his father.
The difference between the ages of Gopal and his father is 26 years. If the sum of their ages is 56 years, find the ages of Gopal and his father.
Solve the following equation: 3y ÷ 8 = 13
Solve the following equation: 5 = x - 3
Solve the following equation: 8y = 3- 3y
Solve the following equation: 3z + 2 = -4
Solve the following equation: x - `2 1/3 = 5 1/2`
Solve the following equation: `"2z" - 2 1/2 = 3 1/3`
Solve the following equation: 5x – 2x +15 = 27
If a number x is decreased by 15 and the result is multiplied by 3 to get 81, which equation correctly represents this?
