Advertisements
Advertisements
प्रश्न
If x : y = 2 : 3, find the value of (3x + 2y) : (2x + 5y).
Advertisements
उत्तर
We have
`x/y = (2)/(3)`
Now `(3x + 2y)/(2x + 5y) = (y((3x)/y + 2))/(y((2x)/y + 5)`
(Both numerator and denominator are divided by y)
`(3 xx 2/3 + 2)/(2 xx 2/3 + 5) = (4)/(19/3)`
= `(4 xx 3)/(19)`
= 12 : 19.
APPEARS IN
संबंधित प्रश्न
Find the reciprocal ratio of 5 : 8
Two numbers are in the ratio 5 : 7 and the difference of their squares is 600. Find the numbers.
If x and y both are positive and (2x2 – 5y2) : xy = 1 : 3, find x : y.
Find the mean proportional between 3 and 27
Which ratio is greater:
`8/15` or `5/9`
Write the following ratio in the simplest form:
3 weeks : 30 days
Choose the correct answer from the given options :
A ratio equivalent to the ratio `(2)/(3) : (5)/(7)` is
The food labels given below give information about 2 types of soup: cream of tomato and sweet corn. Use these labels to answer the given questions. (All the servings are based on a 2000 calorie diet.)
| Sweet Corn | Cream of Tomato | ||
| Nutrition Facts | Nutrition Facts | ||
| Serving Size 1 cup (240ml) | Serving Size 1 cup (240ml) | ||
| About 2 serving per Container | About 2 serving per Container | ||
| Amount Per Serving | Amount Per Serving | ||
| Calories 90 | Calories from Fat 9 | Calories 100 | Calories from Fat 20 |
| % Daily Value* | % Daily Value* | ||
| Total Fat 2g | 2% | Total Fat 2g | 3% |
| Saturated Fat-0g | 0% | Saturated Fat-1.5g | 6% |
| Cholesterol 0mg | 0% | Cholesterol 10mg | 3% |
| Sodium 540mg | 22% | Sodium 690mg | 29% |
| Total Carbohydrate 17g | 6% | Total Carbohydrate 17g | 6% |
| Dietary Fibre 3 gram | 14% | Dietary Fibre 4 gram | 18% |
| Sugar 5g | Sugar 11g | ||
| Protein 3g | Protein 2g | ||
| Vitamin A 30% | Vitamin C 10% | Vitamin A 20% | Vitamin C 20% |
| Calcium 2% | Iron 6% | Calcium 0% | Iron 8% |
| *Per cent Daily Values are based on a 2,000 calorie diet. |
*Per cent Daily Values are based on a 2,000 calorie diet. |
||
Calculate ratio of calories from fat in sweet corn soup to the calories from fat in cream of tomato soup.
The ratio of the perimeter of the boundary of the shaded portion to the perimeter of the whole figure is ______.
In the following figure, division represents 1 cm:
Express numerically the ratios of the following distances:
CE : DI
