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A man covers a distance on scooter .had he moved 3kmph faster he would have taken
40 min less. If he had moved 2kmph slower he would have taken 40min more. the
distance is.

20
25
30
40
Explanation:

Let distance = x m
Usual rate = y kmph
x/y – x/y+3 = 40/60 hr
2y(y+3) = 9x (equation 1)
x/y-2 – x/y = 40/60 hr y(y-2) = 3x (equation 2)
divide 1 & 2 equations
by solving we get x = 40
Additional Questions

Excluding Stoppages , The speed of the bus is 54kmph and including stoppages, it is
45kmph.for how many min does the bus stop per hr.

Answer

A motorist covers a distance of 39km in 45min by moving at a speed of xkmph for the
first 15min.then moving at double the speed for the next 20 min and then again moving at
his original speed for the rest of the journey .then x=?

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A & B are two towns. Mr.Fara covers the distance from A to B on cycle at 17kmph
and returns to A by a tonga running at a uniform speed of 8kmph.his average speed
during the whole journey is.

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A car covers 4 successive 3km stretches at speed of 10kmph,20kmph,30kmph &
60kmph resp. Its average speed is.

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A person walks at 5kmph for 6hr and at 4kmph for 12hr. The average speed is.

Answer

A bullock cart has to cover a distance of 80km in 10hrs. If it covers half of the journey
in 3/5th time.wht should be its speed to cover the remaining distance in the time left.

Answer

A is twice as fast as B and B is thrice as fast as C is. The journey covered by B in?

Answer

A man performed 3/5 of the total journey by ratio 17/20 by bus and the remaining
65km on foot.wht is his total journey.

Answer

A train M leaves Meerat at 5 am and reaches Delhi at 9am . Another train N leaves
Delhi at 7am and reaches Meerut at 1030am At what time do the 2 trains cross one
Another

Answer

An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover
the same distance in 1 hours, it must travel at a speed of:

Answer
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