Advertisements
Advertisements
प्रश्न
If (x + 2y) : (2x – y) is equal to the duplicate ratio of 3 : 2, find x : y.
Advertisements
उत्तर
If (x + 2y) : (2x – y) is equal to the duplicate ratio of 3 : 2
then `(x + 2y)/(2x - y) - (3)^2/(2)^2 = (9)/(4)`
⇒ 9(2x - y) = 4(x + 2y)
⇒ 18x - 9x = 4x + 8y
⇒ 18x - 4x = 8y + 9y
⇒ 14x - 17y
⇒ `x/y = (17)/(14)`
∴ x : y = 17 : 14.
APPEARS IN
संबंधित प्रश्न
If 5x + 6y : 8x + 5y = 8 : 9, find x : y.
Find the sub-triplicate ratio of 216 : 343
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?
Find the ratio between 3.5 m, 475 cm and 2.8 m
If (x - 9) : (3x + 6) is the duplicate ratio of 4 : 9, find the value of x.
Find the fourth proportional of 5, 9 and 45
If A : B = 3 : 5 and B : C = 4 : 7, find A : B : C.
Write the following ratio in the simplest form:
Rs 6.30 : Rs 16.80
A 35-cm line segment is divided into two parts in the ratio 4 : 3. Find the length of each part.
If (7p + 3q) : (3p – 2q) = 43 : 2 find p : q.
