Advertisements
Advertisements
Question
Find the sub-duplicate ratio of `(1)/(4) : (1)/(9)`
Advertisements
Solution
Sub-duplicate ratio of `(1)/(4) : (1)/(9)`
= `sqrt(1/4) : sqrt(1/9)`
= `(1)/(2) : (1)/(3)`
= 3 : 2.
APPEARS IN
RELATED QUESTIONS
Two positive numbers are in the ratio 3: 4 and the sum of their squares is 1225. Find the numbers.
State true or false :
A ratio equivalent to 5 : 4 is 240 : 192
If (4x2 + xy) : (3xy – y2) = 12 : 5, find (x + 2y) : (2x + y).
If (x – 9) : (3x + 6) is the duplicate ratio of 4 : 9, find the value of x.
Fill in the place holder:
A ratio is a form of comparison by ______.
A line segment 56 cm long is to be divided into two parts in the ratio of 2 : 5. Find the length of each part.
In a year, Ravi earns Rs 360000 and paid Rs 24000 as income tax. Find the ratio of his income to income tax.
A rectangular sheet of paper is of length 1.2 m and width 21 cm. Find the ratio of width of the paper to its length.
In the ratio 7 : 11, which term is called the consequent?
