Advertisements
Advertisements
प्रश्न
If (3a + 2b) : (5a + 3b) = 18 : 29. Find a : b
Advertisements
उत्तर
`(3a +2b)/(5a +3b) = 18/29`
⇒ 29(3a + 2b) = 18(5a + 3b)
⇒ 87a + 58b = 90a + 54b
⇒ 58b - 54b = 90a - 87a
⇒ 4b = 3a
`⇒ a/b = 4/3`
APPEARS IN
संबंधित प्रश्न
If the ratio between 8 and 11 is the same as the ratio of 2x – y to x + 2y, find the value of `(7x)/(9y)`.
If A : B = 2 : 5 and A : C = 3 : 4, find: A : B : C.
Find the compound ratio of :
3 : 5 and 8 : 15
Find the compounded ratio of the following:
3 : 5, 7 : 9 and 15 : 28
Find: The duplicate ratio of 7: 9
Find the fourth proportional of 4 hours 40 minutes, 1 hour 10 minutes and 16 hours.
Find the mean proportional between 0.9 and 2.5
Choose the correct answer from the given options :
The ratio of number of edges of a cube to the number of its faces is
Ratio of 5 paise to 25 paise is the same as the ratio of 20 paise to ______.
The marked price of a table is Rs. 625 and its sale price is Rs. 500. What is the ratio of the sale price to the marked price?
