Advertisements
Advertisements
प्रश्न
If the ratio between 8 and 11 is the same as the ratio of 2x – y to x + 2y, find the value of `(7x)/(9y)`.
Advertisements
उत्तर
`(2x - y)/(x + 2y) = 8/11`
22x – 11y = 8x + 16y
14x = 27y
Given,`x/y = 27/14`
∴ `(7x)/(9y) = (7 xx 27)/(9 xx 14) = 3/2`
APPEARS IN
संबंधित प्रश्न
Find the compounded ratio of the following:
(a2 - b2 ): (a2 + b2) and (a4 - b4 ): (a+ b)4
If `a/b = c/d = e/f`, Prove that each of these ratios is equal to `(a + c + e)/(b + d + f)`.
Find the third proportional to ₹1.60, ₹0.40
Shubham’s age today is 12 years and his father’s is 42 years. Shubham’s mother is younger than his father by 6 years. Find the ratio of Shubham’s age to his mother’s age when Shubham was 10 years old.
The income of a man is increased in the ratio of 10 : 11. If the increase in his income is Rs 600 per month, find his new income.
In an examination, the ratio of passes to failures was 4 : 1. If 30 less had appeared and 20 less passed, the ratio of passes to failures would have been 5 : 1. How many students appeared for the examination
Find the simplified form of the following ratio.
7 : 15
In a year, Ravi earns Rs 360000 and paid Rs 24000 as income tax. Find the ratio of his income to income tax.
Divide 20 pens between Sheela and Sangeeta in the ratio of 3 : 2.
Express `33 1/3%` as a ratio in the lowest term.
