# Define Labs Interview Questions

###### A large tanker can be filled by two pipes A and B in 60 minutes and 40 minutes respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and A. 10 min B. 20 min C. 30 min D. 40 min
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###### A man has Rs. 480 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ? A. 25 B. 45 C. 90 D. 105
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###### How many times does the 29th day of the month occur in 400 consecutive years? A. 4487 times B. 4457 times C. 4497 times D. 4447 times
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###### What is the spherical excess of a spherical triangle whose angles are all right angles? A. 15° B. 30° C. 60° D. 90°
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###### The points whose coordinates are (2, 2), (6, 3),(4, 11) forms A. a right angle B. an equilateral C. scalene triangle D. a isosceles triangle
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