Who has become the first person to reach a $500 billion net worth?

Explanation: Elon Musk reached this milestone due to Tesla, SpaceX, and other ventures.

Q: The majority of animals belong to what category, characterized by the lack of a backbone?
Ans: arthropod

Q: Most modern seed plants are angiosperms, which produce seeds in the ovaries of what basic structure?
Ans: leaves

Q: What was President Trump’s approval rating in March 2025?
Ans: 47%

Q: According to Charaka, which is a Hetu of Kustha?
Ans: Ati Snigdha Ahara

Q: On June 7, 2024, which state's TSlagi and Nakati Bird Sanctuary has been included in the Ramsar site?
Ans: Bihar

Q: In a correctly balanced equation, all coefficients must be what kind of numbers?
Ans: whole

Q: Which fluid is used in a vehicle’s hydraulic brakes?
Ans: Brake fluid

Q: The left atrium receives oxygen-rich blood from which organs?
Ans: liver

Q: Which lubricant is used in a vehicle’s tie rod ends?
Ans: Grease

Q: Where has the famous 'Sanjhi craft' received the GI tag?
Ans: Mathura

Q: On January 21, 2025, Home Minister Amit Shah chaired the seventh meeting of the "Islands Development Agency" in which city?
Ans: Delhi

Q: What was the expected impact of tariffs on U.S. automobile prices in 2025?
Ans: Increase

Q: Cellular respiration that proceeds in the absence of oxygen is called what?
Ans: anaerobic respiration

Q: What indicates a faulty alternator?
Ans: Dim headlights

Q: An ECG shows a prolonged QT interval in a patient on antipsychotics. Which electrolyte imbalance is most likely responsible?
Ans: Hypokalemia