Advertisements
Advertisements
प्रश्न
Present ages of Vatsala and Sara are 14 years and 10 years respectively. After how many years the ratio of their ages will become 5 : 4?
Advertisements
उत्तर
Let after x years, the ratio of their ages will become 5 : 4.
Age of Vatsala after x years = (14 + x) years
Age of Sara after x years = (10 + x) years
∴ `(14+x) / (10+x) = 5/4`
⇒ 56 + 4x = 50 + 5x
⇒ 5x - 4x = 56 - 50
⇒ x = 6
Thus, the ratio of their ages will become 5 : 4 after 6 years.
APPEARS IN
संबंधित प्रश्न
From the following pairs of numbers, find the reduced form of ratio of first number to second number.
72, 60
Find the reduced form of the ratio of the first quantity to second quantity.
5 litre, 2500 ml
Express the following percentage as ratios in the reduced form.
6.25%
Express the following percentage as a ratio in the reduced form.
52 : 100
Express the following percentage as ratio in the reduced form.
0.64%
Convert the following ratio into percentage.
15 : 25
Find the following ratio.
The ratio of radius to circumference of the circle.
The ratio of two numbers is 31 : 23 and their sum is 216. Find these numbers.
If 6 : 5 = y : 20 then what will be the value of y?
For the following numbers write the ratio of first number to second number in the reduced form.
21, 48
For the following numbers write the ratio of first number to second number in the reduced form.
65, 117
For the following numbers write the ratio of first number to second number in the reduced form.
114, 133
Write the following ratio in the reduced form.
Radius to the diameter of a circle.
Write the Following Ratio in the Reduced Form.
The ratio of diagonal to the length of a rectangle, having length 4 cm and breadth 3 cm.
Convert the following ratio into percentage.
37 : 500
Convert the following ratio into percentage.
`144/1200`
Write the ratio of first quantity to second quantity in the reduced form.
1024 MB, 1.2 GB (1024 MB = 1 GB)
