SSC GD Constable previous year question
Zakir travels from city A to city B. If Zakir drives his car at 3/8 of his usual speed, he reaches city B 45 minutes late. If Zakir drives his car at his usual speed, how much time (in minutes) does it take to travel from city A to city B?
Asked in SSC GD Constable 2025: 12 Feb 2025 Shift 2 (Afternoon) · Quantitative Aptitude
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Correct answer: (C) 27
At 3/8 speed, time becomes 8/3 of usual time. Extra time = usual×(8/3−1) = usual×5/3 = 45 min, so usual time = 45×3/5 = 27 minutes.
हिंदी में प्रश्न
ज़ाकिर शहर A से शहर B तक यात्रा करता है। यदि ज़ाकिर अपनी कार को अपनी सामान्य चाल की 3/8 चाल पर चलाता है, तो वह शहर B तक 45 मिनट देरी से पहुंचता है। यदि ज़ाकिर अपनी कार सामान्य चाल से चलाता, तो शहर A से शहर B तक यात्रा करने में उसे कितना समय (मिनट में) लगता?
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सही उत्तर: (C) 27
3/8 चाल पर, समय सामान्य समय का 8/3 गुना हो जाता है। अतिरिक्त समय = सामान्य×(8/3−1) = सामान्य×5/3 = 45 मिनट, अतः सामान्य समय = 45×3/5 = 27 मिनट।
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