Advertisements
Advertisements
Question
Find the ratio compounded of the duplicate ratio of 5 : 6, the reciprocal ratio of 25 : 42 and the sub-duplicate ratio of 36 : 49.
Advertisements
Solution
Duplicate ratio of 5 : 6 = 25 : 36
Reciprocal ratio of 25 : 42 = 42 : 25
Sub-duplicate ratio of 36 : 49 = 6 : 7
Required compound ratio = `(25 xx 42 xx 6)/(36 xx 25 xx 7)` = 1 : 1
RELATED QUESTIONS
Which of the Following Ratio is Greater ?
3 : 5 and 2 : 11
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 :
1 hour: 45 minutes
If 4, x and 9 are in continued proportion, find the value of x.
Find the following ratio in the simplest form:
24 to 56
Find the simplified form of the following ratio.
15 : 20
The two terms of a ratio can be in two different units.
The number of milk teeth in human beings is 20 and the number of permanent teeth is 32. Find the ratio of the number of milk teeth to the number of permanent teeth.
Present age of father is 42 years and that of his son is 14 years. Find the ratio of present age of father to the present age of son.
If (2x + 3y) : (3x + 2y) = 4 : 3; then x : y is ______.
