Explanation

Given sets A = {1, 2, 5, 3} and B = {3, 4}, and assuming the universal set U = {1, 2, 3, 4, 5}:

Step 1: Find B'

B' = U - B

= {1, 2, 3, 4, 5} - {3, 4}

= {1, 2, 5}

Step 2: Find A ∩ B'

A ∩ B' = {1, 2, 5, 3} ∩ {1, 2, 5}

= {1, 2, 5}

Explanation

The original sentence is in past tense ("was"), so the correct question form starts with "Was."

The subject and verb are correctly inverted to form the question.

Explanation

Critical thinking begins when students are encouraged to ask questions and challenge ideas.

Questioning helps them analyze information deeply rather than accepting it at face value.

Explanation

Explanation

Given the equation 6x + 5(3 - 1.4x) = 1.7:

Step 1: Distribute and simplify

6x + 15 - 7x = 1.7

-x + 15 = 1.7

Step 2: Solve for x

-x = 1.7 - 15

-x = -13.3

x = 13.3

Explanation

قرآن مجید حق لے کر نازل ہوا، جو سچائی اور ہدایت پر مبنی ہے۔

یہ اللہ تعالیٰ کا کلام ہے جو انسانوں کو صحیح راستہ دکھانے کے لیے نازل ہوا۔

Explanation

Passage

The press has become a great power. It plays a very important role in the political life of a country. It can change the fate of a country. With the spread of education, newspapers have become an important part of our life.

The newspapers play a very important role in our national life. They keep us informed about national and international events. We know what is happening in our country. They tell us about new discoveries and inventions. They tell us about crimes. They inform us about weather conditions.

There are different columns in newspapers. They identify our social and national problems. There are columns for sports, fashion, showbiz and cultural activities. These activities are the main parts of newspapers.

Newspapers change the public opinion. It is necessary for the newspapers to present true news and information to the people. They should work for the reformation of society. Newspaper can bring the society together on one platform.

1. Print media has become _____ in our country.

A great power

2. Press plays an important role in _____?

National life

3. Newspapers have become important because of ____?

Spread of education

4. Newspapers keep us _____?

Informed

5. Columns identify _____?

Problems

6. Newspapers change _____?

Public opinion

7. Reformation means _____?

Improvement

Explanation

For a quadratic equation in the form of ax² + bx + c = 0, the sum of the roots is given by -b/a.

Given the equation px² - qx + r = 0:

Step 1: Identify a and b

a = p, b = -q

Step 2: Calculate the sum of roots

Sum of roots = -(-q) / p

= q / p

Explanation

The sentence is in the present-future context ("we shall enjoy... who as you know"), so "has" is the correct tense.

"Has such a sweet voice" is grammatically correct and completes the sentence smoothly.

Explanation

To compare the fractions 1/2, 2/3, and 7/8:

Step 1: Find a common denominator

The least common denominator for 2, 3, and 8 is 24.

Step 2: Convert fractions to have the common denominator

1/2 = 12/24

2/3 = 16/24

7/8 = 21/24

Step 3: Compare the fractions

Since 21 > 16 > 12, the order is 7/8 > 2/3 > 1/2.