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Maths Puzzle
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Which of the following numbers is exactly divisible by 24 ?
Option 1 : 35718 Option 2 : 63810 Option 3 : 537804 Option 4 : 3125736
Read Solution (Total 2)
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- For a no. to be divisible by 24, it should be divisible by both 8 nd 3...
since 24=>8*3
In the given options , 3125736 is divisible by both 8 and 3... So its also divisible by 24...
Ans : (4) 3125736
- 10 years agoHelpfull: Yes(13) No(1)
- 24 = 3 x8, where 3 and 8 co-prime.
Clearly, 35718 is not divisible by 8, as 718 is not divisible by 8.
Similarly, 63810 is not divisible by 8 and 537804 is not divisible by 8.
Consider option (D),
Sum of digits = (3 + 1 + 2 + 5 + 7 + 3 + 6) = 27, which is divisible by 3.
Also, 736 is divisible by 8.
3125736 is divisible by (3 x 8), i.e., 24 - 9 years agoHelpfull: Yes(1) No(0)
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