HCF & LCM of numbers

Are you preparing for campus placements,Banking,SSC, IAS, Insurance,Defence and other competitive exams? Then, make sure to take some time in practicing the LCM & HCF questions and answer in Quantitative Aptitude. Moreover, only those questions are included that are relevant and likely to be asked in any competitive exam. So, take these questions and answer, brush up your skills and practice to stay fully prepared for any your exam.

• Q8.The greatest number that will divide 796, 872 and 1084 leaving 14, 22 and 30 as remainders, respectively is:

• Q9.In Aegis BPO, Gurgaon, it is observed that it gets a call at an interval of every 10 minutes from Austria, at every 12 minutes from Brussels, at the interval of 20 minutes from Athens and after every 25 minutes it gets the call from Paris. If in the early morning at 3:00 a.m. it has received the calls simultaneously from all the four destinations, then at which time it will receive the calls at a time from all the places on the same day?

• Q10.In Jhandewalan Temple there are some magical bells which tolls 9 times in a day, simultaneously. But every bell tolls at a different interval of time, but not in fraction of minutes. The maximum number of bells in the temple can be:

• Q11.In a coaching class, it has been observed that when five-five students took seat on a bench, 4 students remained unseated. But when eleven students took seat per bench, 4 benches remained vacant. The number of students in the batch was?

• Q12.Three bells toll at intervals of 9, 12 and 15 minutes respectively. All the three begin to toll at 8 a.m. At what time will they first toll together again?

• Q13.Three persons start walking together and their steps measure 40 cm, 42 cm and 45 cm respectively. What is the minimum distance each should walk so that each can cover the same distance in complete steps?

• Q14.Find the largest number among ${2}^{\frac{1}{2}},{4}^{\frac{1}{4}},{8}^{\frac{1}{8}},{16}^{\frac{1}{16}}$