What is the greatest four digit number which is exactly divisible by 24, 40 and 48?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 9840
Concept used:
LCM method
Calculations:
LCM of (24, 40 and 48) = 240
Greatest four digit number = 9999
Divide 9999 by 240 we get = 9999/240 = 41.6625 as quotient
Therefore, the greatest four digit number divisible by 24, 40 and 48 = 41 × 420
= 9840