Advertisements
Advertisements
प्रश्न
If m : n = 4 : 9 and n : s : 3 : 7, find m : s
Advertisements
उत्तर
m : n = 4 : 9
`"m"/"n" = 4/9`
and n : s : 3 : 7
∴ `"n"/"s" = 3/7`
∴ `"m"/"n" xx "n"/"s" = 4/9 xx 3/7`
`"m" : "s" = 4 : 21`
APPEARS IN
संबंधित प्रश्न
Two numbers are in the ratio 5:7. If 3 is subtracted from each of them, the ratio between them becomes 2:3. Find the numbers.
Find the reciprocal ratio of e following :
`17/45 : 51/27`
A woman reduces her weight in the ratio 7 : 5. What does her weight become if originally it was 84 kg?
If `(7"m" + 2"n")/(7"m" - 2"n") = 5/3` use properties of proportion to find:
(i) m : n
(ii) `("m"^2 + "n"^2)/("m"^2 - "n"^2)`
Express the following ratios in its simplest form :
`3 1/2 : 7`
The ratio of the length and the width of a school ground is 5 : 2. Find the length, if the width is 40 metres.
The ratio of copper and zinc in an alloy is 9 : 8. If the weight of zinc, in the alloy, is 9.6 kg; find the weight of copper in the alloy.
A factory produces electric bulbs. If 1 out of every 10 bulbs is defective and the factory produces 630 bulbs per day, find the number of defective bulbs produced each day.
Prove that (5 : 6) > (3 : 4).
Find the simplified form of the following ratio.
15 : 20
