Advertisements
Advertisements
प्रश्न
Two numbers are in the ratio 7 : 10. If 8 is added to each number, the ratio becomes 3 : 4. Find the nLimbers.
Advertisements
उत्तर
Let the two numbers be 7x and 10x; since the ratio between numbers is 7 : 10
Now,
`(7"x" + 8)/(10"y" + 8) = 3/4`
⇒ 28 x + 32 = 30 x + 24
⇒ 2x = 8
⇒ x = 4
∴ 7x = 28
10 x = 40
Therefore, two numbers are 28 and 40.
APPEARS IN
संबंधित प्रश्न
Convert the following ratio to a percentage.
2 : 3
Find the value of x, if: (3x – 7) : (4x + 3) is the sub-triplicate ratio of 8 : 27.
A woman reduces her weight in the ratio 7 : 5. What does her weight become if originally it was 84 kg?
Find the sub-duplicate ratio of the following :
c
State true or false :
A ratio of 250 gm and 3 kg is 1 : 12.
In a class, one out of every 5 students pass. If there are 225 students in all the sections of a class, find how many pass?
In the example below, find the ratio of the first number to the second.
35, 65
Find the ratio of the price of a pencil to that of a ball pen if pencils cost Rs 96 per score and ball pens cost Rs 50.40 per dozen.
Of the 288 persons working in a company, 112 are men and the remaining are women. Find the ratio of the number of men to the total number of persons.
The compound ratio of x – y : x + y and (x + y)2 : x2 – y2 is ______.
