Advertisements
Advertisements
Question
If `1 1/4 : 2 1/3 = "p" : "q"` and q : r = `4 1/2 : 5 1/4`; find p : r.
Advertisements
Solution
`"p" : "q" = 1 1/4 : 2 1/3 = 5/4 : 7/3`
`"p"/"q" = 5/4xx 3/7 = 15/28`
q : r = `4 1/2 : 5 1/4 = 9/2 : 21/4`
`"q"/"r" = 9/2 xx 4/21 = 6/7`
`therefore p/q xx q/r = 15/28 xx 6/7`
`=> "p"/"r" = 45/98`
∴ p : r = 45 : 98
APPEARS IN
RELATED QUESTIONS
Divide Rs. 1290 in to A, B and C such that A is `2/5` of B and B : C = 4 : 3.
Find the ratio of the following in the simplest fcrm:
x2 + 4x +4 and x2 - x - 6
If m : n = 3 : 8, find the value of (3m+2n) : (5m+n)
Find the sub-duplicate ratio of the following :
c
A bag contains ₹ 1,600 in the form of ₹10 and ₹20 notes. If the ratio between the numbers of ₹10 and ₹20 notes is 2 : 3; find the total number of notes in all.
Check whether the following quantities form a proportion or not?
0.8, 3, 2.4 and 9
If a bus travels 160 km in 4 hours and a train travels 320 km in 5 hours at uniform speeds, then the ratio of the distances travelled by them in one hour is ______.
See the figure and find the ratio of number of triangles to the number of circles inside the rectangle.
Find the ratio of the following:
30 minutes to 45 minutes
A ratio is a relationship between two quantities of the same kind obtained by:
