Some fruits are distributed between 2 children. One of them got 10 more than the other. One who got more fruits gets fruits equal to 60% of the sum of total fruits. Number of fruits they get respectively:
Some fruits are distributed between 2 children. One of them got 10 more than the other. One who got more fruits gets fruits equal to 60% of the sum of total fruits. Number of fruits they get respectively: Correct Answer 30, 20
Given:
One from two children got 10 more fruits than the other.
One who got more gets fruits equal to 60% of the sum of the total fruits.
Concept:
x as a percent of y = x/y × 100
Percentage increase = (increase in the quantity/original quantity) × 100
Calculation:
Let number of fruits got be first child be x,
Number of other child = x + 10
According to the question
⇒ (x + x + 10) × 60/100 = (x + 10)
⇒ (2x + 10) × 3/5 = (x + 10)
⇒ 6x + 30 = 5x + 50
⇒ 6x – 5x = 50 – 30
⇒ x = 20
Number of fruits of other child = 20 + 10 = 30
∴ Number of fruits they get respectively are 30, 20
Short Trick:
We can solve this using option
Let the students got 20 and 30 marks, then
⇒ (20 + 30) × 60/100 = 30
⇒ 50 × 60/100 = 30
⇒ 30 = 30 (satisfied)
∴ Number of fruits they get respectively are 30, 20