Advertisements
Advertisements
Question
Find the sub-duplicate ratio of the following :
c
Advertisements
Solution
63m2 : 28n2
`= sqrt (63"m"^2) : sqrt (28 "n"^2)`
`= 3 sqrt7 "m" : 2 sqrt 7 "n"`
= 3m : 2n
Sub-duplicate ratio = 3m : 2n
APPEARS IN
RELATED QUESTIONS
Find sub-duplicate ratio of (x – y)4 : (x + y)6
If 5x + 6y : 8x + 5y = 8 : 9, find x : y.
`square` ABCD is a parallelogram. The ratio of `angle`A and `angle`B of this parallelogram is 5 : 4. Find the measure of `angle`B.
Find the reciprocal ratio of e following :
`1/45 : 1/54`
The ratio of the pocket money saved by a boy and his sister is 5:4. If the brother saves Rs 100 more, how much more should the sister save in order to keep the ratio of their savings unchanged ?
If `(by + cz )/(b^2 + c^2) = (cz + ax)/(c^2 + a^2) = (ax + by)/(a^2 + b^2)` then show that each ratio is equal to `x/a = y/b = z/c`.
If a: b with a ≠ b is the duplicate ratio of a + c: b + c, show that c2 = ab.
Find the duplicate ratio of 2 : 3
The ratio of the number of male and female workers in a textile mill is 5 : 3. If there are 115 male workers, what is the number of female workers in the mill?
Two numbers are in the ratio 11 : 12 and their sum is 460. Find the numbers.
