Question
If all the digits of the number '67453984' are written
in descending order from left to right, then the position of how many digits remains unchanged?ÂSolution
6Â Â Â Â Â 7Â Â Â Â Â Â 4Â Â Â Â 5Â Â Â 3Â Â Â 9Â Â Â Â Â Â 8Â Â Â Â 4 9Â Â Â Â Â Â 8Â Â Â Â Â 7Â Â Â Â 6Â Â Â 5Â Â Â 4Â Â Â Â Â 4Â Â Â 3
Where is the gravitational acceleration zero?
Pulsars are :
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