Explanation

certain pollens are more likely to cause an allergic reaction than others is a correct sentence

because "pollens and others" are plural 

Explanation

Let's assume the age of the youngest child is x. The ages of the other children can be represented as follows:

Second child: x + 2

Third child: x + 4

Fourth child: x + 6

Fifth child: x + 8

Sixth child: x + 10

To find the sum of their ages, we add up these values:

x + (x + 2) + (x + 4) + (x + 6) + (x + 8) + (x + 10)

Simplifying the expression:

6x + 30 = 60

Now, we can solve for x:

6x = 30

Dividing both sides of the equation by 6:

x = 5

Therefore, the age of the youngest child is 5 years old.

Explanation

Let the number of sweets Roni gives to Tony be x.

After giving x sweets: Roni will have 2 25−x sweets.

Tony will have 55+x sweets.

We want Tony to have four times as many sweets as Roni, so: 55 + x = 4 ( 25 − x )

1. Expand the equation:

   $$55 + x = 100 - 4x$$
   

2. Add $4x$ to both sides to combine the $x$-terms:

   $$55 + 5x = 100$$
   

3. Subtract 5 from both sides:

   $$\mathrm{<font\; color="\#0000ff">5</font>}\mathrm{<font\; color="\#0000ff">x</font>}<font\; color="\#0000ff">=</font>\mathrm{<font\; color="\#0000ff">45</font>}$$5x = 45
   

4. Solve for $x$:

   $$$$x=45/5=9x 
   

Explanation

Let's break down the given information:

• Total people: 200
• People who like tennis: 90
• People who like cricket: 108
• People who like both: 46

To find the people who like neither, we can use the following formula:

Total people = People who like tennis only + People who like cricket only + People who like both + People who like neither

Let's find the people who like only tennis and only cricket:

• People who like only tennis = Total tennis players - People who like both = 90 - 46 = 44
• People who like only cricket = Total cricket players - People who like both = 108 - 46 = 62

Now, we can plug these values into the formula: 200 = 44 + 62 + 46 + People who like neither

People who like neither = 200 - 44 - 62 - 46 = 48

Therefore, 48 people like neither tennis nor cricket.

So, the answer is 48.

Explanation

The temperature in Murree at noon was 16.6°C, and at midnight, it was 20.4°C lower.

To find the temperature at midnight, subtract 20.4°C from the noon temperature:

$$16.6°C - 20.4°C = -3.8°C$$

Explanation

We are given:

• 4 boxes with weights: 20 kg, 30 kg, 50 kg, and 70 kg.

We need to determine which total weight cannot be made by combining these boxes.

Let's check the combinations:

1. 20 + 30 + 50 + 70 = 170 kg
2. 20 + 30 + 50 = 100 kg
3. 20 + 30 + 70 = 120 kg
4. 20 + 50 + 70 = 140 kg
5. 30 + 50 + 70 = 150 kg

Now check if 160 kg can be made:

• The possible combinations do not result in 160 kg.

Explanation

1. Pearl Tower is taller than Sky Tower but shorter than Ocean Tower — This gives:
   Ocean Tower > Pearl Tower > Sky Tower.

2. Ocean Tower and MCB Tower are of the same height — So,
   Ocean Tower = MCB Tower.
   Therefore, we have:
   Ocean Tower = MCB Tower > Pearl Tower > Sky Tower.

3. Pearl Tower is shorter than Bahria Tower — This gives:
   Bahria Tower > Ocean Tower = MCB Tower > Pearl Tower > Sky Tower.

Now, we know the following order from tallest to shortest:
Bahria Tower > Ocean Tower = MCB Tower > Pearl Tower > Sky Tower.

The second shortest building is Pearl Tower, as it is just above Sky Tower.

Explanation

Tirich Mir is the highest mountain in the Hindu Kush range

It’s the 33rd-highest peak in the world.

It is the highest mountain in the world

Tirich Mir is located in the Chitral District of Khyber Pakhtunkhwa

Tirich Mir height: 7708 meters 

Its first recorded climber on 21 July 1950 by a Norwegian

Additional Information:

Pakistan Highest Peaks List:

Himalayas range: Nanga Parbat

K-2: Krakarm range

Kirthar: Zardak peak

Koh e Suleman: Takhat e Sulaimani

Salt range: Sakesar

Explanation

The James Webb Telescope launched in orbits the Sun 1.5 million kilometers (1 million miles) away from the Earth

JWST was launched on 25 Dec 2021 on Ariane Flight VA256

It is a successor to the Hubble Space Telescope.

JWST is a space telescope developed by NASA

It is the world's largest and most powerful space telescope

The telescope is named after James E. Webb, who was the administrator of NASA from 1916 to 1968

Additional Information:

The Hubble Space Telescope was launched into low Earth orbit in 1990

The Spitzer Space Telescope is an infrared telescope launched in 2003 and retired on 30 January 2020

Explanation

I was amazed at his wonderful performance.

میں اس کی شاندار کارکردگی پر حیران رہ گیا۔

Here the preposition "at" should be used because it is used when we want to tell the location of something.