alleryएका प्रवासात 120 km चे अंतर ताशी 60 km या स्थिर वेगाने कापले जाते. तर लागणारा वेळ किती आहे:
A1.5 तास
B2 तास
C2.5 तास
D3 तास
Answer & Solution
Correct answer: B. 2 तास
1. वेळ म्हणजे अंतराला वेगाने भागणे होय.
2. येथे अंतर 120 km आहे आणि वेग ताशी 60 km आहे.
3. म्हणून वेळ = 120 / 60.
4. म्हणजेच 2 तास.
5. उलट तपासल्यास, ताशी 60 km वेगाने 2 तासांत 120 km अंतर पार होते.
_Source: syllabus Maths, Ch 11 'Direct and Inverse Proportions', S11.3 Inverse Proportion_
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