Q. 104.3( 8 Votes )

A car takes 2 hours to reach a destination by travelling at 60 km/hr. How long will it take while travelling at 80 km/hr?
A. 1 hr 30 min

B. 1hr 40 min

C. 2hrs 40 min

D. none of these

Answer :

More the speed, lesser the time to travel. So, it is an inverse proportion.


Let the required time be x hr.


2 × 60 = 80 × x


x = = 1.5 hours = 1hour 30 minutes

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Goprep Genius Quiz on Direct and Inverse proportionsGoprep Genius Quiz on Direct and Inverse proportionsGoprep Genius Quiz on Direct and Inverse proportions32 mins
RD Sharma | Extra Qs. on Inverse ProportionRD Sharma | Extra Qs. on Inverse ProportionRD Sharma | Extra Qs. on Inverse Proportion38 mins
Foundation | Direct & Inverse ProportionsFoundation | Direct & Inverse ProportionsFoundation | Direct & Inverse Proportions57 mins
Quiz | Direct and Inverse ProportionsQuiz | Direct and Inverse ProportionsQuiz | Direct and Inverse Proportions37 mins
Quiz | Direct and Inverse Proportions Part-2Quiz | Direct and Inverse Proportions Part-2Quiz | Direct and Inverse Proportions Part-239 mins
Quiz | Direct and Inverse ProportionsQuiz | Direct and Inverse ProportionsQuiz | Direct and Inverse Proportions47 mins
NCERT | Inverse ProportionNCERT | Inverse ProportionNCERT | Inverse ProportionFREE Class
Quiz | Direct and Inverse ProportionQuiz | Direct and Inverse ProportionQuiz | Direct and Inverse Proportion43 mins
Do You Know Direct and Inverse Proportion??Do You Know Direct and Inverse Proportion??Do You Know Direct and Inverse Proportion??48 mins
Recalling Ratios and ProportionsRecalling Ratios and ProportionsRecalling Ratios and Proportions45 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses