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Question

In a huge pile of apples and oranges, both ripe and unripe mixed together, 15% are unripe fruits. Of the unripe fruits, 45% are apples. Of the ripe ones, 66% are oranges. If the pile contains a total of 5692000 fruits, how many of them are apples?

The correct answer is

2029198

Apples Calculation in Mixed Fruit Pile

This problem requires us to find the total number of apples in a large pile containing both apples and oranges, which are categorized as either ripe or unripe. We need to use the given percentages and the total number of fruits to calculate the count of apples from each category and then sum them up.

Total Fruits in the Pile

First, let's identify the total number of fruits given in the pile:

  • Total Fruits = $5,692,000$

Unripe Fruits Analysis

We are informed about the percentage of unripe fruits in the entire pile and then the percentage of apples among these unripe fruits. Let's calculate these amounts:

  • Percentage of Unripe Fruits = $15\%$ of Total Fruits
  • Number of Unripe Fruits = $15\%$ of $5,692,000$
  • Number of Unripe Fruits = $\frac{15}{100} \times 5,692,000 = 15 \times 56,920 = 853,800$

Now, let's find how many of these unripe fruits are apples:

  • Percentage of Apples in Unripe Fruits = $45\%$ of Unripe Fruits
  • Number of Apples (Unripe) = $45\%$ of $853,800$
  • Number of Apples (Unripe) = $\frac{45}{100} \times 853,800 = 45 \times 8,538 = 384,210$

Ripe Fruits Analysis

Next, we will focus on the ripe fruits. We first determine the total number of ripe fruits in the pile, and then calculate the number of apples within this category.

  • Since $15\%$ of fruits are unripe, the remaining percentage must be ripe.
  • Percentage of Ripe Fruits = $100\% - \text{Percentage of Unripe Fruits}$
  • Percentage of Ripe Fruits = $100\% - 15\% = 85\%$ of Total Fruits
  • Number of Ripe Fruits = $85\%$ of $5,692,000$
  • Number of Ripe Fruits = $\frac{85}{100} \times 5,692,000 = 85 \times 56,920 = 4,838,200$

We are given the percentage of oranges among the ripe fruits. Since the pile only contains apples and oranges, we can deduce the percentage of apples in ripe fruits:

  • Percentage of Oranges in Ripe Fruits = $66\%$
  • Percentage of Apples in Ripe Fruits = $100\% - \text{Percentage of Oranges in Ripe Fruits}$
  • Percentage of Apples in Ripe Fruits = $100\% - 66\% = 34\%$ of Ripe Fruits
  • Number of Apples (Ripe) = $34\%$ of $4,838,200$
  • Number of Apples (Ripe) = $\frac{34}{100} \times 4,838,200 = 34 \times 48,382 = 1,644,988$

Total Apples in the Pile

To find the total number of apples in the entire pile, we simply add the number of apples from the unripe category and the number of apples from the ripe category:

  • Total Apples = Number of Apples (Unripe) + Number of Apples (Ripe)
  • Total Apples = $384,210 + 1,644,988 = 2,029,198$

Summary of Fruit Distribution

Here is a detailed breakdown of the fruit distribution based on our calculations:

Category Total Number of Fruits Apples (Number) Oranges (Number)
Total Pile $5,692,000$ $2,029,198$ $3,662,802$
Unripe Fruits $853,800$ ($15\%$ of total) $384,210$ ($45\%$ of unripe) $469,590$ ($55\%$ of unripe)
Ripe Fruits $4,838,200$ ($85\%$ of total) $1,644,988$ ($34\%$ of ripe) $3,193,212$ ($66\%$ of ripe)

Therefore, the total number of apples in the pile is $2,029,198$.

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Important Questions from Numerical Computation

  1. A cube of side 3 units is formed using a set of smaller cubes of side 1 unit. Find the proportion of the number of faces of the smaller cubes visible to those which are NOT visible.

  2. What is the average of all multiples of 10 from 2 to 198?

  3. Ratio of the angles of a triangle are 1 : 2 : 6. What is the smallest angle?

  4. A deposit in a bank, which pays interest on its deposits compounded daily, grows to Rs. 80,000 for 500 days and to 88,000 for 1000 days. What would be its value (in Rs.) for 1500 days?

  5. Among A, B, C and D, there is a lawyer, a doctor, a teacher and a journalist. They drink exactly one each of tea, coffee, lemonade and milk. If neither the lawyer nor the teacher drinks milk, B drinks coffee, A is the teacher and C is the doctor and drinks tea, then which of the following is FALSE?

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