How often should air filters be replaced in a vehicle?

Explanation: Air filters should be replaced every 15,000–30,000 km to ensure engine efficiency.

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Q: When water is aerated it can provide a plant's roots with what gas for cellular respiration?
Ans: carbon dioxide

Q: On May 2, 2024, who has introduced India's first AI-powered tax filing app?
Ans: EZTax

Q: In modern medicine, which condition is diagnosed using an MRI?
Ans: Brain tumor

Q: The first integrated check post has started on the border between India and which country?
Ans: Bhutan

Q: Which university launched the world’s first MA course on the Bhagavad Gita?
Ans: IGNOU

Q: Elements have orbitals that are filled with what?
Ans: electrons

Q: What is the primary goal of the National Rural Employment Guarantee Act (NREGA)?
Ans: 100 days of wage employment

Q: In Sushruta Samhita, which Karna Roga is caused by Pitta?
Ans: Karnapaka

Q: Which continent is known as the "Land Down Under"?
Ans: Australia

Q: A blood examination shows low platelet count. Which condition is most likely?
Ans: Thrombocytopenia

Q: What was a major challenge for TV station operators in 2025?
Ans: Increased viewership

Q: What are the simplest organic compounds?
Ans: carbohydrates

Q: What type of map reveals the shape of a landscape?
Ans: geographic

Q: What was the Dow Jones Industrial Average’s performance on April 10, 2025?
Ans: Dropped 1,014.79 points

Q: India has acquired operational control over Sittwe Port in which country?
Ans: Myanmar