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
Find the reduced form of the ratio of the first quantity to second quantity.
₹ 700, ₹ 308
Find the reduced form of the ratio of the first quantity to the second quantity.
3 years 4 months, 5 years 8 months
Express the following percentage as ratio in the reduced form.
44 : 100
Express the following percentage as ratios in the reduced form.
6.25%
Convert the following ratio into percentage.
47 : 50
Convert the following ratio into percentage.
`546 / 600`
Find the following ratio.
The ratio of radius to circumference of the circle.
Find the following ratio.
The lengths of sides of a rectangle are 5 cm and 3.5 cm. Find the ratio of its perimeter to area.
The ratio of present ages of Albert and Salim is 5 : 9. Five years hence ratio of their ages will be 3 : 5. Find their present ages.
The ratio of length and breadth of a rectangle is 3 : 1, and its perimeter is 36 cm. Find the length and breadth of the rectangle.
24 Bananas were distributed between Shubham and Anil in the ratio 3 : 5, then how many bananas did Shubham get?
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
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 perimeter to the area of a square, having side 4 cm.
Convert the following ratio into percentage.
37 : 500
Convert the following ratio into percentage.
`5/16`
