Question

find the number nearest to 110000 but greater than 100000 which is exactly divisible by 8 , 15 and 21

Answer 1

LCM(8,15,21)=840
DIVIDING 110000 BY 840
QUOTIENT IS 130
AND REMAINDER WILL BE 800.
NOW,SUBTRACT 800 FROM 110000
SO THAT WE CAN GET THE ANSWER i.e 109200.
Hence,109200 is the number which is greater than 100000 and divisible by 8,15,21