Here is how you can solve this in JavaScript: 1. First, define the array of objects in a module and export it. This can be done in a file named `employees.js`: ```javascript const employees = [ { name: "raju", age: 34, skills: ["reactjs", "angular", "nodejs"], address: { street: "kphb", city: "hyderabad" } }, // ... other employees ]; module.exports = employees; ``` 2. Then, import the array of objects into another module. This can be done in a file named `main.js`: ```javascript const employees = require('./employees.js'); // 1. Find the names(array of names) of employees of Hyderabad const hyderabadEmployees = employees.filter(employee = employee.address.city === 'hyderabad').map(employee = employee.name); // 2. Find the name and address of employees whose age between 40 and 50 const agedEmployees = employees.filter(employee = employee.age = 40 && employee.age ({name: employee.name, address: employee.address})); // 3. Find the employees who are not from Hyderabad const nonHyderabadEmployees = employees.filter(employee = employee.address.city !== 'hyderabad'); // 4. Find the names (array of names) of employees whose skill is "reactjs" const reactEmployees = employees.filter(employee = employee.skills.includes('reactjs')).map(employee = employee.name); ``` Now, `hyderabadEmployees` is an array of names of employees from Hyderabad, `agedEmployees` is an array of objects with the name and address of employees aged between 40 and 50, `nonHyderabadEmployees` is an array of employees not from Hyderabad, and `reactEmployees` is an array of names of employees skilled in ReactJS.

Question

Here is how you can solve this in JavaScript:

1. First, define the array of objects in a module and export it. This can be done in a file named `employees.js`:

```javascript
const employees = [
  {
    name: "raju",
    age: 34,
    skills: ["reactjs", "angular", "nodejs"],
    address: {
      street: "kphb",
      city: "hyderabad"
    }
  },
  // ... other employees
];

module.exports = employees;
```

2. Then, import the array of objects into another module. This can be done in a file named `main.js`:

```javascript
const employees = require('./employees.js');

// 1. Find the names(array of names) of employees of Hyderabad
const hyderabadEmployees = employees.filter(employee => employee.address.city === 'hyderabad').map(employee => employee.name);

// 2. Find the name and address of employees whose age between 40 and 50
const agedEmployees = employees.filter(employee => employee.age >= 40 && employee.age <= 50).map(employee => ({name: employee.name, address: employee.address}));

// 3. Find the employees who are not from Hyderabad
const nonHyderabadEmployees = employees.filter(employee => employee.address.city !== 'hyderabad');

// 4. Find the names (array of names) of employees whose skill is "reactjs"
const reactEmployees = employees.filter(employee => employee.skills.includes('reactjs')).map(employee => employee.name);
```

Now, `hyderabadEmployees` is an array of names of employees from Hyderabad, `agedEmployees` is an array of objects with the name and address of employees aged between 40 and 50, `nonHyderabadEmployees` is an array of employees not from Hyderabad, and `reactEmployees` is an array of names of employees skilled in ReactJS.

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