Advertisements
Advertisements
प्रश्न
If 5x + 6y : 8x + 5y = 8 : 9, find x : y.
Advertisements
उत्तर
5x + 6y : 8x + 5y = 8 : 9
`(5x + 6y)/(8x + 5y) = 8/9`
9(5x + 6y) = 8(8x + 5y)
45x + 54y = 64x + 40y
64x – 45x = 54y – 40y
19x = 14y
`x/y = 14/19`
APPEARS IN
संबंधित प्रश्न
Find duplicate ratio of `3sqrt(3) : 2sqrt(5)`
If m : n is the duplicate ratio of m + x : n + x; show that x2 = mn.
Find the sub-triplicate ratio of the following :
m3n6 : m6n3
Find the sub-triplicate ratio of the following :
125a3 : 343b6
If `"a"/"b" = "c"/"d"`, show that: `(a^3c + ac^3)/(b^3d + bd^3) = ("a" + "c")^4/("b" + "d")^4`
Find the third proportional of `1/7 "and" 3/14`
A school collected Rs 2100 for charity. It was decided to divide the money between an orphanage and a blind school in the ratio of 3 : 4. How much money did each receive?
Ratio of ₹ 3 to ₹ 5 = ______________
12 hours : 30 hours = 8 km : 20 km
The number of milk teeth in human beings is 20 and the number of permanent teeth is 32. Find the ratio of the number of milk teeth to the number of permanent teeth.
