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 m : n is the duplicate ratio of m + x : n + x; show that x2 = mn.
If `(a + b)/(am + bn)= (b + c)/(mb + nc )= (c + a)/(mc + na)` prove that each of theseccc `2/(m+n)`provided a + b + c ≠ 0
Find the reciprocal ratio of e following :
81pq2 : 54p2q
Express the given ratio in its simplest form: `6 1/4 : 12 1/2`
Divide 72 in the ratio `2 1/2:1 1/2`
The ratio of zinc and copper in an alloy is 7 : 9. If the weight of copper in the alloy is 11.7 kg find the weight of zinc in it.
The ratio of 130 cm to 1 m is 13 : 10
12 hours : 30 hours = 8 km : 20 km
In a college, out of 4320 students, 2300 are girls. Find the ratio of number of boys to the total number of students.
Given below is a Mathematical term.
Find the ratio of consonants to vowels in the term.
