Question 1-4 of 13: HCF and LCM (Arithmetic) | CUET (Common University Entrance Test) UG General Test (501) | Includes PYQs | Get Solutions with Detailed Explanations

There are five hobby clubs in a college — photography, yachting, chess, electronics and gardening. The gardening group meets every second day, the electronics group meets every third day, the chess group meets every fourth day, the yachting group meets every fifth day and the photography group meets every sixth day. How many times do all the five groups meet on the same day within ${\displaystyle 180days}$?

Five persons fire bullets at a target at an interval of 6,7, 8,9 and 12 seconds respectively. The number of times they would fire the bullets together at the target in an hour is (Paper II)

A bell rings every 18 minutes. A second bell rings every 24 minutes. A third bell rings every 32 minutes. If all the three bells ring at the same time at 8 o՚clock in the morning, at what other time will they all ring together?

In a school every student is assigned a unique identification number. A student is a football player if and only if the identification number is divisible by 4, whereas a student is a cricketer if and only if the identification number is divisible by 6. If every number from 1 to 100 is assigned to a student, then how many of them play cricket as well as football?