A clock shows 3:00. What is the angle between the hour and minute hands?
At 3:00, the minute hand is at 12 and hour hand is at 3. Each hour represents 30° (360°/12). Angle = 3 × 30° = 90°.
If x^2 + 5x + 6 = 0, what are the roots?
x^2 + 5x + 6 = (x+2)(x+3) = 0. So x = -2 or x = -3.
What is 25% of 60% of 1000?
60% of 1000 = 600. 25% of 600 = 150.
A man walks 4 km north, then 3 km east, then 4 km south. How far is he from the starting point?
Net displacement north: 4-4 = 0. Net displacement east: 3. Distance from starting point = 3 km.
What is the square root of 169?
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Complete the series: AZ, BY, CX, DW, ?
First letter increases: A→B→C→D→E. Second letter decreases: Z→Y→X→W→V. Answer is EV.
What is the antonym of 'Benevolent'?
Benevolent means kind and generous. Malevolent means evil or harmful, which is the opposite.
Choose the correct spelling:
The correct spelling is 'Occasion' with two c's and one s in the middle.
Fill in the blank: He is not only intelligent _____ also very creative.
The correlative conjunction 'not only...but also' is used here. 'But' is the correct answer.
What is a synonym for 'Meticulous'?
Meticulous means very careful and precise. Careful is the best synonym.
What does 'Ambiguous' mean?
Ambiguous means unclear or open to multiple interpretations.
What is the difference between 'Advice' and 'Advise'?
Advice (noun): an opinion or recommendation. Advise (verb): to give advice or recommend.
What is a 'Paradigm'?
A paradigm is a typical example, pattern, or model of something.
Which of the following is the correct use of an apostrophe?
The apostrophe in 'dog's' indicates possession. The bone belongs to the dog.
What is the main purpose of a 'Disclaimer'?
A disclaimer is a statement to deny or limit responsibility for something.
What is XML used for in web development?
XML (eXtensible Markup Language) is used to define data structure and organize content in a readable format.
What does HTML stand for?
HTML stands for HyperText Markup Language, the standard markup language for creating web pages.
What is the primary purpose of CSS?
CSS (Cascading Style Sheets) is used for styling and visual presentation of web pages.
Which of the following is a NoSQL database?
MongoDB is a NoSQL database that stores data in document format. MySQL, PostgreSQL, and Oracle are relational databases.
What is the purpose of an API?
An API (Application Programming Interface) allows different software applications to communicate and exchange data.
