# BillDesk Interview Questions

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###### 1, 4, 9, 16, 23, 25, 36 A. 25 B. 23 C. 21 D. 20
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###### A boat running downstream covers a distance of 16 Km in 2 hours, while covering the same distance upstream it takes 4 hours. What is the speed of the boat in still water ? A. 2 Km/hr B. 4 Km/hr C. 6 Km/hr D. 8 Km/hr
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###### Find the perimeter of the rectangle having length 24 cm and breadth 21 cm. A. 50 B. 40 C. 60 D. 90
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###### √248 + √(52+ √144) A. 14 B. 16 C. 18 D. 20
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###### The average of 9 observations was 9, that of the 1st of 5 being 10 and that of the last 5 being 8. What was the 5th observation? A. 9 B. 10 C. 11 D. 12
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###### A person bought an article and sold it at a loss of 10%. If he had bought it for 20% less and sold it for Rs.75 less, he could have gained 25%. What is the cost price?
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