GK Express of 22/03/2025

 ENGLISH COACH

1. A group of experts is called?

Panel or Board

2. Name the antonym of Cruelty?

Mercy, Kindness

3. What is the Passive form of the sentence " They called off the meeting"

The meeting was called off by them.

4. What is relative clause?

A relative clause is a dependent clause that functions as a n adjective, providing additional information about a noun or pronoun in the main clause.

Examples:

1) The cat that is on the mat is mine.

2) This is the garden where we met last week.

5. Explain the types of pronouns?

Pronouns are words used in place of nouns to avoid repetition. Here are the main types of pronouns:

1. Personal Pronouns – refer to specific people or things.

   • Examples: I, you, he, she, it, we, they

2. Possessive Pronouns – show ownership or possession.

   • Examples: mine, yours, his, hers, ours, theirs

3. Reflexive Pronouns – refer back to the subject of the sentence.

   • Examples: myself, yourself, himself, herself, itself, ourselves, themselves

4. Demonstrative Pronouns – point to specific things or people.

   • Examples: this, that, these, those

5. Interrogative Pronouns – used to ask questions.

   • Examples: who, what, which, whose

6. Relative Pronouns – introduce relative clauses and link ideas.

   • Examples: who, whom, whose, which, that

7. Indefinite Pronouns – refer to non-specific people or things.

   • Examples: anyone, everyone, someone, none, anything, everything, few, many

APTITUDE COACH

6. A car travels 240 kilometers in 4 hours. What is the average speed of the car?

Formula:
Speed = $\frac{Distance}{Time}$

Calculation:
Speed = $\frac{240}{4}=\mathrm{60\; km/h}$

7. A shopkeeper buys an article for $100 and sells it for $120. What is the profit percentage?

Formula:
Profit Percentage = $\frac{Profit}{CostPrice}\times 100$

Profit = Selling Price - Cost Price

Calculation:
Profit = 120 - 100 = 20

Profit Percentage = $\frac{20}{100} \times 100 = 20$

BASIC MATHEMATICS COACH

8. What is the Fibonacci number after 13?

21

1, 1, 2, 3, 5, 8, 13, 21.........

9. Consider the first 50 odd numbers and find the last 50th odd number?

First 50 Odd numbers are (1,3,5,7,9........50th odd number) 

Let us find the 50th term using the formula:

a50 = a +(n-1)d

a50 = 1+ (49) 2

a50 = 1+ 98

Hence 50th term is 98

10. Who is known as the Father of Mathematics?

Archimedes. Archimedes was a Greek mathematician, physicist, engineer, inventor, and astronomer who made many important contributions to mathematics, particularly in geometry, calculus, and the concept of levers.