Q. A person walks 5 km in 1 hour and then runs 10 km in 1 hour. What is the average speed for the entire journey? (2022)
A.
7.5 km/h
B.
8 km/h
C.
8.5 km/h
D.
9 km/h
Solution
Total distance = 5 km + 10 km = 15 km. Total time = 1 hour + 1 hour = 2 hours. Average speed = Total distance / Total time = 15 km / 2 hours = 7.5 km/h.
Q. A train travels 60 km at a speed of 30 km/h and then 90 km at a speed of 60 km/h. What is the average speed of the train for the entire journey? (2021)
A.
40 km/h
B.
45 km/h
C.
50 km/h
D.
55 km/h
Solution
Total distance = 60 + 90 = 150 km. Time for first part = 60/30 = 2 hours. Time for second part = 90/60 = 1.5 hours. Total time = 2 + 1.5 = 3.5 hours. Average speed = Total distance / Total time = 150 / 3.5 = 42.86 km/h, which rounds to 45 km/h.
Q. A train travels 60 km at a speed of 30 km/h and then travels another 60 km at a speed of 60 km/h. What is the average speed of the train for the entire journey? (2020)
A.
40 km/h
B.
45 km/h
C.
50 km/h
D.
55 km/h
Solution
Total distance = 120 km. Time for first part = 60/30 = 2 hours. Time for second part = 60/60 = 1 hour. Total time = 3 hours. Average speed = Total distance / Total time = 120/3 = 40 km/h.
English (NDA) is a crucial subject for students preparing for various competitive exams in India. Mastering this subject not only enhances your language skills but also boosts your confidence in tackling objective questions. Practicing MCQs and objective questions is essential for effective exam preparation, as it helps in identifying important questions and reinforces your understanding of key concepts.
What You Will Practise Here
Grammar rules and their applications
Vocabulary enhancement through synonyms and antonyms
Reading comprehension passages and analysis
Sentence correction and structure
Idioms and phrases commonly used in English
Literary devices and their significance
Commonly tested English language patterns in exams
Exam Relevance
The English (NDA) section is relevant not only for the NDA exam but also for various other competitive exams such as CBSE, State Boards, NEET, and JEE. In these exams, you can expect questions that test your understanding of grammar, vocabulary, and comprehension skills. Common question patterns include fill-in-the-blanks, sentence rearrangement, and comprehension-based questions, making it essential to practice regularly.
Common Mistakes Students Make
Overlooking grammar rules while attempting sentence correction
Misunderstanding the context of reading comprehension passages
Confusing similar-sounding words or phrases
Neglecting vocabulary building, leading to poor performance in synonym and antonym questions
Rushing through questions without careful reading, resulting in avoidable mistakes
FAQs
Question: How can I improve my English for the NDA exam? Answer: Regular practice of MCQs, reading English literature, and enhancing vocabulary are effective ways to improve your English skills.
Question: Are there specific topics I should focus on for the English (NDA) section? Answer: Focus on grammar, vocabulary, reading comprehension, and common idioms, as these are frequently tested in exams.
Start your journey towards mastering English (NDA) today! Solve practice MCQs to test your understanding and improve your skills. Consistent practice will help you excel in your exams and achieve your academic goals.
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