Infosys Company Logical Reasoning Seating Arrangement

in a class there are less than 500 students . when it is divided by 3 it gives a whole number. similarly
when it is divided by 4,5 or 7 gives a whole number. find the no. of students in the class

Read Solution (Total 3)

Just find LCM of all the numbers. Its 420.
13 years agoHelpfull: Yes(19) No(1)

Take LCM of all numbers or multiply all the 4 multiples. 3*4*5*7=420.
12 years agoHelpfull: Yes(7) No(1)
ans:420
420/3=140;420/4=105;420/5=84;420/7=60.
13 years agoHelpfull: Yes(4) No(7)

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