Advertisements
Advertisements
Question
Two numbers are in the ratio 5:3. If they differ by 18, what are the numbers?
Advertisements
Solution
Let the common ratio between these numbers be x. Therefore, the numbers will be 5x and 3x respectively.
Difference between these numbers = 18
5x − 3x = 18
2x = 18
Dividing both sides by 2
`(2x)/2 = 18/2`
x = 9
First number = 5x = 5 × 9 = 45
Second number = 3x = 3 × 9 = 27
APPEARS IN
RELATED QUESTIONS
The ages of Rahul and Haroon are in the ratio 5:7. Four years later the sum of their ages will be 56 years. What are their present ages?
The number of boys and girls in a class are in the ratio 7:5. The number of boys is 8 more than the number of girls. What is the total class strength?
Deveshi has a total of ₹ 590 as currency notes in the denominations of ₹ 50, ₹ 20, and ₹ 10. The ratio of the number of ₹ 50 notes and ₹ 20 notes is 3: 5. If she has a total of 25 notes, how many notes of each denomination she has?
If the sum of two consecutive numbers is 93 and one of them is x, then the other number is 93 – x.
Rs. 13500 are to be distributed among Salma, Kiran and Jenifer in such a way that Salma gets Rs. 1000 more than Kiran and Jenifer gets Rs. 500 more than Kiran. Find the money received by Jenifer.
The sum of three consecutive even natural numbers is 48. Find the greatest of these numbers.
The perimeter of a rectangle is 240 cm. If its length is increased by 10% and its breadth is decreased by 20%, we get the same perimeter. Find the length and breadth of the rectangle.
A lady went to a bank with Rs. 1,00,000. She asked the cashier to give her Rs. 500 and Rs. 1,000 currency notes in return. She got 175 currency notes in all. Find the number of each kind of currency notes.
A carpenter charged Rs. 2500 for making a bed. The cost of materials used is Rs. 1100 and the labour charges are Rs. 200/hr. For how many hours did the carpenter work?
For what value of x is the perimeter of shape 77 cm?
