Advertisements
Advertisements
प्रश्न
What quantity must be added to each term of the ratio 19 : 51 to make it equal to 3 : 7 ?
Advertisements
उत्तर
Let x be added from each term such that
`(19 + "x")/(51 + "x") = 3/7`
⇒ 133+ 7X = 153+3X
⇒ 4x = 20
⇒ x = 5
5 should be added to each term.
APPEARS IN
संबंधित प्रश्न
Divide Rs. 1290 in to A, B and C such that A is `2/5` of B and B : C = 4 : 3.
In a basket, the ratio between the number of oranges and the number of apples is 7 : 13. If 8 oranges and 11 apples are eaten, the ratio between the number of oranges and the number of apples becomes 1 : 2. Find the original number of oranges and the original number of apples in the basket.
If (3x – 4y) : (2x – 3y) = (5x – 6y) : (4x – 5y), find x : y.
Find the sub-triplicate ratio of the following :
125a3 : 343b6
If `(2"y"+5"x")/(3"y"-5"x")=2 1/2`, find y, if x = 33
Choose the correct answer from the given options :
Two numbers are in the ratio 7 : 9. If the sum of the numbers is 288, then the smaller number is
In a year, Ravi earns Rs 360000 and paid Rs 24000 as income tax. Find the ratio of his income to income tax.
In the following figure, the comparative areas of the continents are given: What is the ratio of the areas of
- Africa to Europe
- Australia to Asia
- Antarctica to Combined area of North America and South America.
In a college, out of 4320 students, 2300 are girls. Find the ratio of number of boys to the total number of students.
