Question

It takes 10 seconds to count 20 sheets how much time will it take to count 80 sheets riddle

Answer 1

I guess it is 40seconds

Answer 2

It will take 40 seconds to count 80 sheets .

Step-by-step explanation:

Time taken to count 20 sheets = 10 seconds

Time taken to count 1 sheet = $\frac{10}{20}$seconds

Time taken to count 80 sheets =$\frac{10}{20} \times 80$seconds

                                                    =$40 seconds$

Hence It will take 40 seconds to count 80 sheets .

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