A boy is asked to put in a basket one mango when ordered 'one', One orange when ordered 'two', one apple when ordered 'three' and asked to take out from basket one mango and an orange out of the basket, when ordered 'four'. How many oranges are there in the basket if the sequence of orders is as follow: 1 2 3 3 2 1 4 2 3 1 4 2 2 3 3 1 4 1 1 3 2 3 4?
A boy is asked to put in a basket one mango when ordered 'one', One orange when ordered 'two', one apple when ordered 'three' and asked to take out from basket one mango and an orange out of the basket, when ordered 'four'. How many oranges are there in the basket if the sequence of orders is as follow: 1 2 3 3 2 1 4 2 3 1 4 2 2 3 3 1 4 1 1 3 2 3 4?
Explanation
Let's count the number of oranges added and removed:
Oranges added:
Order 2 appears 6 times
Oranges removed:
Order 4 appears 4 times, and each time 1 orange is removed
Net oranges = Oranges added - Oranges removed
= 6 - 4
= 2