Advertisements
Advertisements
प्रश्न
If (3x + 1) : (5x + 3) is the triplicate ratio of 3 : 4, find the value of x.
Advertisements
उत्तर
If (3x + 1) : (5x + 3) is the triplicate ratio of 3 : 4
then `(3x + 1)/(5x + 3) = (3)^2/(4)^3 = (27)/(64)`
⇒ 64(3x + 1) = 27(5x + 3)
⇒ 192x + 64 = 135x + 81
⇒ 192x – 135x = 81 – 64
⇒ 57x = 17
⇒ x = `(17)/(57)`
Hence x = `(17)/(57)`.
APPEARS IN
संबंधित प्रश्न
If a + b : a - b = 11 : 8 ; find the vaIue of a : b
Find the sub-triplicate ratio of the following :
m3n6 : m6n3
Ratio of the distance of the school from A’s home to the distance of the school from B’s home is 2 : 1.
(i) Who lives nearer to the school?
(ii) Complete the following table:
The angles of a triangle are in the ratio 3 : 7 : 8. Find the greatest and the smallest angles.
From the given pairs, find which ratio is larger:
(3 : 7) or (4 : 9)
Present age of father is 42 years and that of his son is 14 years. Find the ratio of age of father to the age of son when father was 30 years old.
The ratio of 10 kg to 100 kg is 1 : 10
Which pair of ratios are equal? And why?
`4/5, 12/50`
In the following figure, division represents 1 cm:
Express numerically the ratios of the following distances:
BF : AI
In a college, out of 4320 students, 2300 are girls. Find the ratio of number of boys to the total number of students.
