A. Inclusive B. Elusive C. illusive D. Intrusive Explanation: The word “exclusive” refers to something that is restricted or not shared with others. The antonym of exclusive is inclusive, which means including everyone or everything. Option B, elusive, means difficult to find, catch or achieve. Option C, illusive, is the word…

A. Elon Musk B. Bill Gates C. Satoshi Nakamoto D. Mark Zuckerberg Explanation: Bitcoin is a decentralized digital currency that was invented in 2008 by an unknown person or group of people using the name Satoshi Nakamoto. The identity of the creator of Bitcoin has remained a mystery to this day, as they have never revealed their true identity. The Bitcoin network operates on a blockchain, which is a distributed ledger that records all transactions made using Bitcoin. Unlike traditional currencies, Bitcoin is not backed by any government or central authority, and it operates independently of any financial institution. Bitcoin has gained significant attention in recent years as a potential alternative to traditional currencies and as an investment opportunity. It has also been the subject of controversy, due in part to its association with illegal activities such as money laundering and drug trafficking.

A. πr(h + r) B. 2πrh C. πr2 + 2πrh D. πr2 Explanation: The total surface area of a cone consists of two parts: the circular base and the lateral surface. The formula for the total surface area of a cone is: Total Surface Area = πr² + Lateral Surface Area…

A. To physically hit a stack of books B. To read or study intensively C. To organize a bookshelf D. To sell books to a bookstore Explanation: The phrase “hit the books” means to study or read intensively, often in preparation for an exam or to gain a deeper understanding of a topic. It is a colloquial expression that is commonly used by students and scholars alike. When someone says they need to “hit the books,” it means they need to focus on their studies and dedicate a significant amount of time to reading, researching, and learning. This could involve spending hours in the library, reviewing class notes, or working through practice problems. The expression implies that studying requires effort and discipline and that success in academic pursuits often requires a significant investment of time and energy.

A. F = ma B. E = mc² C. ac = v/r D. ac = v²/r Explanation: The formula for centripetal acceleration is given by ac = v²/r, where ac represents the centripetal acceleration, v is the velocity of the object, and r is the radius of the circular path. This…

A. On B. Below C. Beneath D. Under Correct Answer: D (Under)</expand] Explanation: Both “under” and “in” can be correct depending on the context. If the tree has low-hanging branches or foliage that provides cover from the sun, “under” would be more appropriate. If the shade is created by the tree’s…

It cannot be done ____ offence. [Precis 2023] A. in B. on C. at D. without Explanation: The correct preposition to fill in the blank is “without”, which means “in the absence of” or “not accompanied by”. The complete sentence would be “It cannot be done without offence”, which means that it is impossible to do something without causing offense or upset to someone. The other prepositions given as options — “in”, “on”, and “at” — do not fit in the context of the sentence and would not convey the intended meaning.

He is really good _______ English. A. in B. on C. at D. with Explanation: In this sentence, the correct preposition to use is “at.” We use “at” to describe someone’s level of proficiency or ability in a particular subject or activity. For example, “He is really good at playing the guitar” or “She is really good at math.” Difference Between “In,” “On,” and “At” Preposition Usage Example in used to indicate a location within a larger space or a general time period “She lives in New York City.” or “I usually work in the morning.” on used to indicate a surface or a specific date or day “The book is on the table.” or “My birthday is on December 12th.” at used to indicate a specific point in time or a specific location “I will meet you at 3 PM.” or “I am at the airport.”

A. for B. in C. at D. on Explanation: What preposition should be used to complete the sentence? The correct preposition to use in the sentence is “in”. The complete sentence would be “This year, he will sit in the CSS examination.” The preposition “in” is used to show that the…