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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 number of students in the class?
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- 420 students in class.
L.C.M of 3,4,5,7 = 420 - 12 years agoHelpfull: Yes(17) No(0)
- take lcm of all i.e.
lcm of(3,4,5,7)=420
- 12 years agoHelpfull: Yes(7) No(0)
- 420%3=0
420%4=0
420%5=0
420%7=0 - 12 years agoHelpfull: Yes(0) No(4)
- no.of students n=3*5*7*4*x {where x can be any integer}
n=420x < 500
so x=1
n=420 - 11 years agoHelpfull: Yes(0) No(1)
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