top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

What is the ratio of the father's speed to Arunima speed?

0 votes
1,009 views

Arunima is picked up by her father by car from college everyday. The college gets over at 4 p.m. daily. One day, the college got over an hour earlier than usual. Arunima started walking towards her house. Her father, unaware of this fact., leaves his house as usual, meets his daughter on the way, picks her up and they reach the house 15 minutes earlier than usual. What is the ratio of the father's speed to Arunima speed?

posted Sep 7, 2017 by anonymous

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

0 votes

The father is 9 times faster than Arunima.
.
They are 15 minutes earlier home. As this includes a round trip, the dad picks Arunima 7.5 minutes earlier up than normal.
Arunima has by then been walking for 1 hour + 7.5 minutes = 67.5 minutes.
So what the dad does in 7.5 minutes, Arunima did in 67.5 minutes => 67.5 / 7.5 = 9

answer Sep 16, 2017 by Jcm



Similar Puzzles
0 votes

The speed of the train is two more than twice of the time taken to cover 1012 km at uniform speed.
What is the ratio of the values of time taken to cover the distance and speed of the train?

0 votes

If the ratio of the speed of a boat in downstream and the speed of the stream is 10:1.
If the boat can travel 320 km upstream in 20 hours then find the total distance travelled (in km) by the boat in still water in the same time?

0 votes

A bus takes 1 hour 20 minutes more to travel a distance of 210 km, if its speed is reduced by 10 km/hr than actual speed.
Find the time taken to cover a distance of 300 km at double the usual speed.

0 votes

A man starts to run along a particular direction with a speed of 54 km/hr.
After running upto a distance of 100 m, he increases his speed by 50% of the initial speed, and runs upto 200 m.
What will be the total time taken by the man?

0 votes

How many seconds will a 468 m long train take to cross a man driving his motor bike at a speed of 39 km/hr in a direction of the moving train if the speed of the train is 120 km/hr?

...