Advertisements
Advertisements
Question
The ratio of the pocket money saved by Lokesh and his sister is 5 : 6. If the sister saves Rs 30 more, how much more the brother should save in order to keep the ratio of their savings unchanged?
Advertisements
Solution
Let the savings of Lokesh and his sister are 5x and 6x.
and the Lokesh should save Rs y more Now, according to the problem,
⇒ `(5x + y)/(6x + 30) = (5)/(6)`
⇒ 30x + 6y = 30x + 150
⇒ 30x + 6y – 30x = 150
⇒ 6y = 150
∴ y = `(150)/(6)` = 25
Hence, Lokesh should save ₹25 more.
APPEARS IN
RELATED QUESTIONS
Divide Rs. 1290 in to A, B and C such that A is `2/5` of B and B : C = 4 : 3.
State true or false :
A ratio equivalent to 7 : 9 is 27 : 21.
Find: The sub-duplicate ratio of 256: 625
Express the given ratio in its simplest form: 22 : 66
Express the given ratio in its simplest form: `1 1/3:2 1/4:2 1/2`
Rohit earns Rs 15300 and saves Rs 1224 per month. Find the ratio of
(i) his income and savings:
(ii) his income and expenditure;
(iii) his expenditure and savings.
From the given pairs, find which ratio is larger:
(3 : 7) or (4 : 9)
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.
See the figure and find the ratio of number of circles to all the figures inside the rectangle.
Express 150% as a ratio in the lowest form.
