# Profound Edutech Interview Questions

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###### Find the odd man out. 5, 6, 14, 45, 185, 925, 5556 A. 165 B. 175 C. 185 D. 195
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###### What is the angle between the two hands of a clock when the time shown by the clock is 6.30 p.m. ? A. 100° B. 150° C. 200° D. 250°
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###### Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank? A. 10 min B. 12 min C. 14 min D. 16 min
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###### Graphically, the pair of equations (a)6x – 3y + 10 = 0 (b)2x – y + 9 = 0 represents two lines which are A. parallel B. coincident C. intersecting at exactly one point D. intersecting at exactly two points
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###### Directional derivative of f ( x, y, z ) = x² + y² + z² at the point (1, 1, 1) in the direction i – k is A. 1 B. 2 C. 0 D. 3
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