alleryगति 5 सेकंड में 20 से बढ़कर 50 किमी/घंटा हो जाती है। प्रति सेकंड गति में कितनी वृद्धि हुई?
A4 किमी/घंटा
B5 किमी/घंटा
C6 किमी/घंटा
D10 किमी/घंटा
Answer & Solution
Correct answer: C. 6 किमी/घंटा
5 सेकंड में वृद्धि 30 किमी/घंटा है, इसलिए प्रति सेकंड वृद्धि 6 किमी/घंटा है।
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