Advertisements
Advertisements
प्रश्न
What quantity must be added to each term of the ratio 19 : 51 to make it equal to 3 : 7 ?
Advertisements
उत्तर
Let x be added from each term such that
`(19 + "x")/(51 + "x") = 3/7`
⇒ 133+ 7X = 153+3X
⇒ 4x = 20
⇒ x = 5
5 should be added to each term.
APPEARS IN
संबंधित प्रश्न
Find the triplicate ratio of 2a : 3b
In a mixture of 126 kg of milk and water, milk and water are in ratio 5 : 2. How much water must be added to the mixture to make this ratio 3 : 2?
Which is greater 4: 5 or 19: 25.
A line is divided into two parts in the ratio 2.5 : 1.3. If the smaller one is 35.1 cm, find the length of the line.
Check whether the following quantities form a proportion or not?
`1 1/2, 3 1/4, 4 1/2 "and" 9 3/4`
The ratio of the number of girls to the number of boys in a school is 2 : 5. If the number of boys is 225; find:
(i) the number of girls in the school.
(ii) the number of students in the school.
If (4x2 + xy) : (3xy – y2) = 12 : 5, find (x + 2y) : (2x + y).
Find the following ratio in the simplest form:
1.8 kg to 6 kg
Cost of a dozen pens is ₹ 180 and cost of 8 ball pens is ₹ 56. Find the ratio of the cost of a pen to the cost of a ball pen.
If (2x + 3y) : (3x + 2y) = 4 : 3; then x : y is ______.
