Advertisements
Advertisements
प्रश्न
If (7p + 3q) : (3p – 2q) = 43 : 2 find p : q.
Advertisements
उत्तर
(7p + 3q) : (3p – 2q) = 43 : 2
⇒ `(7p + 3q)/(3p - 2q) = (43)/(2)`
⇒ 129p – 86q = 14p + 6q
⇒ 129p – 14p = 6q + 86q
⇒ 115p = 92q
⇒ `p/q = (92)/(115) = (4)/(5)`
∴ p : q = 4 : 5
APPEARS IN
संबंधित प्रश्न
If (3a + 2b) : (5a + 3b) = 18 : 29. Find a : b
A school has 630 students. The ratio of the number of boys to the number of girls is 3 : 2. This ratio changes to 7 : 5 after the admission of 90 new students. Find the number of newly admitted boys.
If (x + 3) : (4x + 1) is the duplicate ratio of 3 : 5, find the value of x.
Find the mean proportional between `1/4 "and" 1/16`
Write the following ratio in the simplest form:
3 weeks : 30 days
Divide Rs 1575 between Kamal and Madhu in the ratio 7 : 2.
A 35-cm line segment is divided into two parts in the ratio 4 : 3. Find the length of each part.
Find the ratio of:
2 dozens to a score
Mother wants to divide Rs 36 between her daughters Shreya and Bhoomika in the ratio of their ages. If age of Shreya is 15 years and age of Bhoomika is 12 years, find how much Shreya and Bhoomika will get.
