Speed And Distance

1. A JOGGER WANTS TO RUN A CERTAIN COURSE IN 1/4 LESS TIME THAN THE USUALLY TAKES. BY WHAT PERCENT MUST HE INCREASES HIS AVERAGE RUNNING SPEED TO ACCOMPLISH THE GOAL?
A.50% B.40% C. 100/3% D. 15%

2. A TRAIN CROSSES A PLATFORM IN 30SECS. WITH A SPEED OF 60KM/H. IF THE LENGTH OF THE TRAIN IS 200M. THEN THE LENGTH OF THE PLATFORM IS
A. 300M. B. 280M. C.420M. D. 500M.

3. RAM CAN COVER A DISTANCE IN 1HR24MIN BY COVERING 2/3 OF THE DISTANCE AT 4KM/H AND THE REST AT 5KM/H. THE TOTAL DISTANCE IS
A. 5KM B.6KM. C.7KM. D.8KM.

4. A TRAIN LEAVES POINT A AT 5PM AND REACHES POINT B AT 11PM. ANOTHER TRAIN LEAVES POINT B AT 7PM. AND REACHES POINT A AT 10PM.FIND THE TIME AT WHICH THEY BOTH MEET TOGETHER
A. 8.20 PM B. 7.20 PM C.8.40PM D.8.30PM

5. A CAR TRAVELLED FIRST 50 KM AT 10 KMPH FASTER THAN THE USUAL SPEED BUT IT RETURNED THE SASME DISTANCE AT 10KMPH SLOWER THAN THE USUAL SPEED. IF THE TOTAL TIME TAKEN BY THE CAR IS 12 HOURS , THEN HOW MANY HOURS DOES IT TRAVEL AT FASTER SPEED?
A. 11/4 HOURS B. 7/2 HOURS C.2 HOURS D. 3/2 HOURS

6. IF A STUDENT WALKS FORM HIS HOUSE TO SCHOOL AT 8KMPH, HE IS LATE BY 36 MINUTES. HOWEVER, IF HE WALKS AT 10 KMPH, HE IS LATE BY 6 MINUTES. THE DISTANCE OF HIS SCHOOL FROM HIS HOUSE IS
A. 15 KM B. 18 KM C. 20 KM D. 10 KM