Advertisements
Advertisements
Question
If a + b : a - b = 11 : 8 ; find the vaIue of a : b
Advertisements
Solution
a + b : a - b = 11 : 8
`=> ("a + b")/("a - b") = 11/8`
⇒ 8a +8b-11a- 11b
⇒ 3a - 19 b
⇒ `"a"/"b" = 19/3`
a : b = 19 : 3
APPEARS IN
RELATED QUESTIONS
If 3A = 4B = 6C, find: A : B : C.
Find the value of x, if: (3x – 7) : (4x + 3) is the sub-triplicate ratio of 8 : 27.
Convert the following percentage to fractions and ratio:
0.3%
Find the sub-triplicate ratio of the following :
m3n6 : m6n3
If the ratio between 8 and 11 is the same as the ratio of 2x - y to x + 2y, find the value of `(7"x")/(9"y")`
If x and y be unequal and x: y is the duplicate ratio of (x + z) and (y + z) prove that z is mean proportional between x and y.
If the cost of 30 packets of 8 pencils each is Rs 600, what is the cost of 25 packets of 12 pencils each?
The ratio of the number of sides of a triangle to the number of sides of a rectangle is
The number of milk teeth in human beings is 20 and the number of permanent teeth is 32. Find the ratio of the number of milk teeth to the number of permanent teeth.
The students of a school belong to different religious backgrounds. The number of Hindu students is 288, the number of Muslim students is 252, the number of Sikh students is 144 and the number of Christian students is 72. Find the ratio of the number of Muslim students to the total number of students.
