Advertisements
Advertisements
प्रश्न
The difference between two numbers is 15. Taking the smaller number as x; find:
(i) the expression for the larger number.
(ii) the larger number, if the sum of these numbers is 71.
Advertisements
उत्तर
Difference of two numbers = 15
Let smaller number = x
∴ Second number = x + 15
∴ Larger number = x + 15
If sum of two numbers = 71
Then x + x + 15 = 71
(i) 2x + 15 = 71
⇒ 2x = 71 - 15 = 56
x = `56/2 = 28`
(ii) Larger number = x + 15 = 28 + 15 = 43
संबंधित प्रश्न
One-fourth of a number added to two- seventh of it gives 135; find the number.
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.
A whole number is increased by 7 and the new number so obtained is multiplied by 5; the result is 45. Find the whole number.
The age of a man and the age of his daughter differ by 23 years and the sum of their ages is 41 years. Find the age of the man.
The sum of three consecutive numbers is 54. Taking the middle number as x, find:
(i) expression for the smallest number and the largest number.
(ii) the three numbers.
Solve the following equation: 3y ÷ 8 = 13
Solve the following equation: `3/5"x" + 4 = 13`
Solve the following equation: u + `3 1/4 = 4 1/3`
Solve the following equation: `"y"/3 + 7 = 2`
Solve the following equation: 5 = x - 3
