13 Views

Question : The speeds of the three cars are in the ratio of 1 : 3 : 5. The ratio among the time taken by these cars to travel the same distance is _____.

Option 1: 3 : 5 : 15

Option 2: 15 : 3 : 5

Option 3: 15 : 5 : 3

Option 4: 5 : 3 : 1


Team Careers360 11th Jan, 2024
Answer (1)
Team Careers360 22nd Jan, 2024

Correct Answer: 15 : 5 : 3


Solution : We know, $\text{Time} \propto \frac{1}{\text{Speed}}$
Required ratio of time = $1:\frac{1}{3}:\frac{1}{5}$
L.C.M. of 1, 3, and 5 is 15.
= $1 × 15 : \frac{1}{3}×15:\frac{1}{5}×15$
= $15 : 5 : 3$
Hence, the correct answer is 15 : 5 : 3.

Know More About

Related Questions

TOEFL ® Registrations 2024
Apply
Accepted by more than 11,000 universities in over 150 countries worldwide
Manipal Online M.Com Admissions
Apply
Apply for Online M.Com from Manipal University
View All Application Forms

Download the Careers360 App on your Android phone

Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile

150M+ Students
30,000+ Colleges
500+ Exams
1500+ E-books