Question

. In a colony of 100 blocks of flats numbering 1 to 100 a school
van stops at every sixth block while a school bus stops at every
tenth block. Om which stops will both of them stop if they start
from the entrance of the colony?

Answer 1

Answer:

A school van stops at every sixth block and a school bus stops at every tenth block. We have to find the common stops at which they both stop if they start from a same entrance. The LCM of 6 and 10 is 2 × 3 × 5 = 30. Firstly both will stop at 30th block, then 60th block and lastly at 90th block.

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