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 ?
Answer Posted / 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 |
Post New Answer View All Answers
A boy multiplied a number with 10 and got 100,instead of dividing it . If he divided it what would be the answer?
Two trains move in the same direction at 50 kmph and 32 kmph respectively. A man in the slower train observes the 15 seconds elapse before the faster train completely passes by him.
Number of digits with a 2 in them between 100 and 400?
What number comes next 10, 9, 60, 90, 70 and 66?
205 of 6 liter solution and 60% of 4 liter solution is mixed What percentage of the mixture of solution
I want Canara Bank Question papers ? if u have this one send my mail. id - kuruba.sreekanth@gmail.com -regards
In a fraction, if 1 is added to both the numerator at the denominator, the fraction becomes 1/2. If numerator subtracted from the denominator, the fraction becomes 3/4. Find the fraction.
A boy picks up the phone and asks" who are you?" The voice from the other side answers" I am your mother's mother in law".What is the relation of the boy with the fellow speaking at the other end.
rrb second stage written exam in aptitude test model papers
HOW + MUCH = POWER Then P + O + W + E + R =
if x=y=2z and xyz =256 then x=
In a club there are male and female members. If 15 female quit then the number of males will become double the number of males. If 45 males quit no. of female becomes five times the number of males. Find the number of females.
A finishes the work in 10 days & B in 8 days individually. If A works for only 6 days then how many days should B work to complete A's work?
A power unit is there by the bank of the river of 750 meters width. A cable is made from power unit to power a plant opposite to that of the river and 1500mts away from the power unit. The cost of the cable below water is Rs. 15/- per meter and cost of cable on the bank is Rs.12/- per meter. Find the total of laying the cable.
Now i am doing RHCE (Red Hat Certified Engineer). Please give some interview questions of linux.