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Answer to Q174

A 100m train training at 100m/s needs to clear a track of 100m. How many seconds will it take?

A 100m train wants to clear a track of 100m. When the train travels 100m, it will be sitting perfectly on the track but remember, it needed to clear it. So the train, needs to travel another 100m to completely clear the track.

Total distance travelled = 2 x 100m = 200m
How many seconds will it take the train?

v = d ÷ t
t = d ÷ v

t = 200m ÷ 100m/s
t = 2s

Answer: 2s



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Answer to Q174

A 100m train training at 100m/s needs to clear a track of 100m. How many seconds will it take?

A 100m train wants to clear a track of 100m. When the train travels 100m, it will be sitting perfectly on the track but remember, it needed to clear it. So the train, needs to travel another 100m to completely clear the track.

Total distance travelled = 2 x 100m = 200m
How many seconds will it take the train?

v = d ÷ t
t = d ÷ v

t = 200m ÷ 100m/s
t = 2s

Answer: 2s

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Newly uncovered hack campaign in Telegram

The campaign, which security firm Check Point has named Rampant Kitten, comprises two main components, one for Windows and the other for Android. Rampant Kitten’s objective is to steal Telegram messages, passwords, and two-factor authentication codes sent by SMS and then also take screenshots and record sounds within earshot of an infected phone, the researchers said in a post published on Friday.

In many cases, the content resembled that of the marketplaces found on the dark web, a group of hidden websites that are popular among hackers and accessed using specific anonymising software.“We have recently been witnessing a 100 per cent-plus rise in Telegram usage by cybercriminals,” said Tal Samra, cyber threat analyst at Cyberint.The rise in nefarious activity comes as users flocked to the encrypted chat app earlier this year after changes to the privacy policy of Facebook-owned rival WhatsApp prompted many to seek out alternatives.Riddles Repository from kr


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