One student takes 20 mins to reach school if he goes at a
speed of 15kmph .At what speed should he go to reach in
15 mins ?
Answers were Sorted based on User's Feedback
Answer / sabarish
ans: 20 kmph
let d be distance .
d / (1/3) = 15 thrfore .. d = 5km
to travel 5 km in 15 min he must travel in speed of..
5 / (1/4) = 20 kmph
Is This Answer Correct ? | 36 Yes | 0 No |
Answer / mari
Distance = speed*time
=15*20/60(convert mins to hours)
=5 km
Distance=5 km;
time =15/60(convert mins to hours)
speed =distance/time
=5*15/60
=20 km/hr
Is This Answer Correct ? | 17 Yes | 0 No |
Answer / lavanya
Speed1 * time1=Speed2 * Time2
15 *20=x *15
Then,x=20kmph
Ans : 20kmph
Is This Answer Correct ? | 11 Yes | 0 No |
speed =15kmph
distance=speed*time
=15*(20/60)=5km
speed=distance/time
=5/(15/60)=20kmph
Is This Answer Correct ? | 9 Yes | 0 No |
Answer / s chand
total 5km distance
5km in 15 min
therefore 20kmph
Is This Answer Correct ? | 8 Yes | 0 No |
Answer / surya teja challapalli
Distance travelled by the student in 20 mins=15*(20/60)=5 km
In 15 min student must travelled with speed,=5/(15/60)
=5*(60/15)
=5*4= 20km/hr.
Is This Answer Correct ? | 7 Yes | 1 No |
Answer / hemant singh
speed1*time1=Distance = speed2*time2
20*15 = speed2*15
speed2=20 kmph
Is This Answer Correct ? | 3 Yes | 0 No |
1027.05 ? 314.005 + 112.25 = ? (a) 825.395 (b) 825.095 (c) 825.305 (d) 825.295 (e) None of these
One train leaves Los Angeles at 15mph heading for New York. Another train leaves from New York at 20mph heading for Los Angeles on the same track. If a bird, flying at 25mph, leaves from Los Angeles at the same time as the train and flies back and forth between the two trains until they collide, how far will the bird have traveled?
how to create the alarm using sql queries.In the sense i need to make the computer to produce beep sound for each 1 minute.(hint: by chr(7) we can produce the beep sound)
Find the area not occupied by circles: Given length =y breadth =x
meaning of JOLLY?
3 Answers Cap Gemini, Geometric Software, Quintiles,
What is the calibration procedure for UV Spectrophotometer
There are 100 doors all are closed. The below action is taken 1) all are opened 2)all multiple of 2's are togelled ie if open close or viceversa .....100 times. What is the status of the door after 100th.
Mangal Pandey fired the first shot of the Revolt of 1857 at ?
hello sir/mam i am nikhil from meerut i want to know that is diploma in banking and finance is necessary for the post PO in banks i am graduate with 75% marks
Given that April 1 is tuesday. A, B, C are 3 persons told that their farewell party was on � A - May 8, thursday � B - May 10,tuesday � C - June 5, friday Out of A, B, C only one made a completetly true statement concerning date,day and month The other told two one told the day right and the other the date right.. What is correct date, month, day.
Complete the series 2, 7, 24, 77,__
9 Answers Accenture, BSNL, TCS,
A boy has Rs 3 in total. If he wins, he gains 1 Rupee and if he looses, he has to loose 1 Rupee. The boy may lose only 5 times in the game and if he earns 5 Rs, he has to quit the game. Find the number of ways of the possibilities.