Advertisements
Advertisements
Question
If x : y = 2 : 3, and y : z = 4 : 7, find x : y : z
Solution
LCM of y's terms 3 and 4 = 12
Making equals of y as 12
`x/y = (2)/(3) = (2 xx 4)/(3 xx 4) = (8)/(12)` or 8 : 12
`y/z = (4)/(7) xx (3)/(3) = (12)/(21)` or 12 : 21
Then x : y : z = 8 : 12 : 21.
APPEARS IN
RELATED QUESTIONS
Find the sub-duplicate ratio of the following :
c
Find the sub-triplicate ratio of the following :
125a3 : 343b6
Find the reciprocal ratio of e following :
81pq2 : 54p2q
A sum of money Is divided in the ratio 2 : 3. If the larger portion is Rs 7,47,300. find the sum distributed.
Find the compound ratio of the following:
If A : B = 4 : 5, B : C = 6 : 7 and C : D = 14 : 15. Find A : D.
A plot of land, 600 sq m in area, is divided between two persons such that the first person gets three-fifth of what the second gets. Find the share of each.
If m : n = 4 : 9 and n : s : 3 : 7, find m : s
In a class, one out of every 5 students pass. If there are 225 students in all the sections of a class, find how many pass?
The ratio of the pocket money saved by Lokesh and his sister is 5 : 6. If the sister saves Rs 30 more, how much more the brother should save in order to keep the ratio of their savings unchanged?
Divide 20 pens between Sheela and Sangeeta in the ratio of 3 : 2.
