Question

Q.2 Soham received 40 messages on his birthday. Of these, 90% were
birthday greetings. How many other messages did he get besides the
greetings?​

Answer 1

Answer:

$total \: messages = 40 \\ \% \: of \: greeting \: messages = 90\% \\ \% \: of \: other \: messages \: beside \: greetings = 100\% - 90\% \\ = 10\% \\ number \: of \: other \: messages = \frac{10}{100} \times 40 \\ = 4 \: messages$

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Answer 2

• RECEIVED MESSAGES = 40.
• GREETINGS = 90% OF RECEIVED MESSAGES.

TO FIND : NUMBER OF OTHER MESSAGES.

___________________SOLUTI∅N:_______________

SO number of messages that are received as greetings = 40 × 90%

= 40× 90/100

= 36.

So , Number of other messages = 40 -36

= 4 .

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