Question

Determine the two numbers nearest to smallest 5 digit number which are exactly divisible by 8,15and21

Answer 1

LCM = 840

Smallest 5digit number = 10000

Divide 10000 by 840. quotient come 11.9

so take quotient as 12

So 840 x 12 = 10080  -----(1)

840 x 13 = 10920   ........(2)

So smallest 2 digit numbers  = 10080, 10920