Advertisements
Advertisements
प्रश्न
If x : y = 2 : 3, and y : z = 4 : 7, find x : y : z
Advertisements
उत्तर
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
संबंधित प्रश्न
If p : q = 2 : 5 , q : r = 4 : 3, then find p : r
Find the triplicate ratio of the following :
`root (3)("ab"^2) : root (3)("a"^2"b")`
Find the reciprocal ratio of e following :
`1/45 : 1/54`
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)`
A field is 80 m long and 60 m wide. Find the ratio of its width to its length.
Arrange 5: 6, 8: 9, 13: 18 and 7: 12 in ascending order of magnitude.
The sides of a triangle are in the ratio 7 : 5 : 3 and its perimeter is 30 cm. Find the lengths of sides.
One of the terms in a ratio cannot be 1
Sex ratio is defined as the number of females per 1000 males in the population. Find the sex ratio if there are 3732 females per 4000 males in a town.
In a college, out of 4320 students, 2300 are girls. Find the ratio of number of boys to the total number of students.
