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Question

Rubina sends mails to the customers at the following rates.
How many mails would she have sent after 5 hours?


A
40
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B
42
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C
48
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D
32
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Solution

The correct option is A 40
The given sequence is 8, 16, 24, 32.

Let us find the difference between the terms.

Difference between the 1st and the 2nd terms = 16 - 8 = 8

Difference between the 2nd and the 3rd terms = 24 - 16 =8

Therefore, to find the next term, we have to add 8 to each term.

Hence, the pattern is 8, 16, 24, 32, 40.

After 5 hours, she would have sent 40 mails.

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