GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
QUIZ1
[#permalink]
03 Dec 2018, 11:29
03 Dec 2018, 11:29
A student rides his bike 7 miles from his house to school within 40 minutes, if he increases his velocity by 20 percent. when would he return home after class?
Re: QUIZ1
[#permalink]
03 Dec 2018, 12:13
03 Dec 2018, 12:13
1
Expert Reply
Hi,
please Sir, follow the rules for posting on the board.
https://gre.myprepclub.com/forum/rules-for ... -1083.html
Regards
please Sir, follow the rules for posting on the board.
https://gre.myprepclub.com/forum/rules-for ... -1083.html
Regards
Re: QUIZ1
[#permalink]
10 Dec 2018, 12:28
10 Dec 2018, 12:28
1
A student rides his bike 7 miles from his house to school within 40 minutes, if he increases his velocity by 20 percent. when would he return home after class?
40 min = 2/3 hour
V1 = 7/ 2/3=21/2 = 10.5 miles/hr
V2 = 120/100 x 10.5 = m/hr
Distance 1 (from house to school) = Distance 2( after school ride) = 7 miles
V1 x T1 = V2 x T2 = 7
10.5 x 2/3 = 12.6 x T2
T2 = .56 hr (app.) = 30 minutes ( approximately)
Hope that helps
40 min = 2/3 hour
V1 = 7/ 2/3=21/2 = 10.5 miles/hr
V2 = 120/100 x 10.5 = m/hr
Distance 1 (from house to school) = Distance 2( after school ride) = 7 miles
V1 x T1 = V2 x T2 = 7
10.5 x 2/3 = 12.6 x T2
T2 = .56 hr (app.) = 30 minutes ( approximately)
Hope that helps
