IQ Test, Mental Aptitude, Logical Reasoning & Basic Maths Tests

Today's Challenge


Question of the Day

A car travel first half distance between two places with a speed of 40 km per hour and the rest of half distance with the speed of 60 km per hour. The average speed of car is:
Solution!
Let the total distance covered be "s"km.
Total time taken,
=(s/2)/40+(s/2)/60
=5s/240
Average speed,
=s/(5s/240)
=s*(240/5s)
=48 km/ hr
.

Download Mobile App    

IQ Test Preparation Android App IQ Test Preparation IOS App