Advertisements
Advertisements
प्रश्न
If (4x + 3y) : (3x + 5y) = 6 : 7, find y, if x = 27
Advertisements
उत्तर
(4x + 3y) : (3x + 5y) = 6 : 7
Given, x = 27
∴ (4 × 27 + 3y) : (3 × 27 + 5y) = 6 : 7
(108 + 3y) : (81 + 5y) = 6 : 7
7 × (108 + 3y) = 6 × (81 + 5y)
756 + 21y = 486 + 30y
9y = 270
⇒ y = `270/9=30`
APPEARS IN
संबंधित प्रश्न
If (p - x) : (q - x) be the duplicate ratio of p : q then show that: `1/"p" + 1/"q" = 1/"x"`
Express the given ratio in its simplest form: 200 m : 5 km
Find the ratio of the first quantity to the second.
60 paise, 1 rupee
Find the compounded ratio of: 2 : 3 and 4 : 9
Find the ratio of:
150 mL to 2 L
Find the value of x when 36 : x : : x : 16.
Ratio of ₹ 3 to ₹ 5 = ______________
A typist has to type a manuscript of 40 pages. She has typed 30 pages of the manuscript. What is the ratio of the number of pages typed to the number of pages left?
There are 102 teachers in a school of 3300 students. Find the ratio of the number of teachers to the number of students.
In the ratio 7 : 11, which term is called the consequent?
