Question
The speed of a boat in still water is 8 km/hr and the
speed of the stream is 2 km/hr. A man rows to a place at a distance of 30 km and comes back to the starting point. The total time taken by him is:Solution
Rate downstream = (8 + 2) kmph = 10 kmph Rate upstream = (8 – 2) kmph = 6 kmph According to the question, Time = Distance/Speed Hence, Required time = 30/10 + 30/6 = 3 + 5 = 8 hours
Which of the following in not valid about an email address?
 Which protocol is used to send emails over the internet?
SMTP stands for ?
Which of the following protocol is not related to E-mail
What does the "@" symbol in an email signify?
 Which of the following software is used to create text documents?
When sending an e-mail, the _____ line describes the contents of the message.
Which out of the following is the combination of keys used to copy a selected text in word processing software?
Which protocol is used for sending emails?
An attachment in an E-mail can be:Â
Digital photosÂ
DocumentsÂ
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