# SpeedLabs Interview Questions

###### √4225 A. 36 B. 46 C. 56 D. 65
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###### Two poles standing on the same side of a tower in a straight line with it, measure the angles of elevation of the top of the tower at 25º and 50º respectively. If the height of the tower is 70 m, find A. 89.27 m B. 92.27 m C. 31.27 m D. 29.27 m
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###### At what rate percent per annum will the simple interest on a sum of money be 5 of the amount in 10 years? A. 2% B. 4% C. 10% D. 18%
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###### Two pipes A and B can fill a tank in 1 h and 75 min, respectively. There is also an outlet C . If all the three pipes are opened together. The tank is full 50 min. How much time will be taken by C to A. 50 min B. 100 min C. 150 min D. 200 min
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###### Three pipes A, B and C can fill a cistern in 6 hrs. After working together for 2 hours, C is closed and A and B fill the cistern in 8 hrs.Then, find the time in which the cistern can be filled by pipe A. 10 hrs B. 12 hrs C. 14 hrs D. 16 hrs
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###### A certain number successively divided by 2, 5 and 7 leaves remainders 1, 2 and 3 respectively. When the same number is divided by 70, what is the remainder? A. 33 B. 35 C. 37 D. 39
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###### If A = {1, 2, 5} and B = {3, 4, 5, 9}, then A ? B is equal to If A = {x: x = 3n, n ? 6, n ? N} and B = {x: x = 9n, n ? 4, n ? N}, then which of the following is false? A. A ? B = {9, 81, 729, 6561} B. A U B = {3, 9, 27, 81,243, 729, 6561} C. A-B = {3, 27,243} (d) A ? D = {3, 27, 243, 6561} D. none of these
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