What's the area of a square in square meter if its perimeter is 80?

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Job Solution Standard Bank Ltd Standard Bank Ltd - Trainee Asst. Officer (Cash) - 22.01.2016 গণিত
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If the average of a and b is 45, and the average of b and c is 35 then (a-c)=?

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In what ratio must a grocer mix two varieties of tea worth Tk 60 per kg and 65 per kg so that by selling the mixture at Tk 68.20 per kg he may gain 10%?

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A man can row three-quarters of a kilometre (km) against the stream in 11.25 minutes and down the stream in 7.5 minutes. The speed (in km/hr) of the man is still water is :

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A picture is copied onto a sheet of paper, which measures 8.5 inches by 10 inches. A border of 1.5 inch is left all around. What is the area, in square inches, covered by the picture?

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Job Solution Standard Bank Ltd Standard Bank Ltd - Management Trainee Officer - 22.01.2016 গণিত
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A train can travel 50% faster than a car. Both start from point A at the same time and reach point B, 75 kilometres (km) away from A at the same time. On the way, however, the train had lost about 12.5 minutes while stopping at the stations. What is the speed of the car?

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