A person has to travel a distance of 30 km. He finds that he has covered 5/6 of the distance in 3 hours and 20 minutes. what is his speed in km/h?
The correct answer is B
Find the least number which when divided separately by 15, 20, 35 and 45 leaves 3 as remainder in each case?
Three boys step off together from the same spot. Their steps measure 64 cm, 80 cm and 88 cm respectively. The minimum distance each should cover so that...
The LCM of two numbers is 12 times their HCF. The sum of LCM and HCF is 403 and if both the number are smaller than their LCM. Find both the numbers?
Five bells commence tolling together and tolls at intervals of 6, 12, 36, 42 and 60 seconds respectively. In 126 minutes, how many times do they toll to...
From a point on circular track 20 km long P, Q and R started running in the same direction at the same time with speed of 4 km per hour, 2 km per hour, ...
The ratio of two numbers is 5:10 and their LCM is 100. The numbers are:
The HCF and LCM of two consecutive even number is 2 and 112 respectively. Find the sum of reciprocal of these two numbers?