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A man whose speed is 4.5 kmph in water rows to a certain upstream point and back to the starting point in a river which flows at 1.5 kmph, find his average speed for the total journey?
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An equilateral triangular plate is to be cut into n number of identical small equilateral triangular plates. Which of the following can be possible value of n?
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The average of x1, x2, and x3, is 14. Twice the sum of x2 and x3 is 30. What is the value of x1 ?
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The number of times in a day the hour-hand and the minute-hand of a clock are at right angles, is
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An accurate clock shows the time as 3.00. After hour hand has moved 1350 , the time would be.
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P, Q, R, S and T are five speakers who have to speak on a particular day, not necessarily in the same order, R is neither the first nor the last speaker. There are three speakers after S and three speakers ahead of T. if P speaks after Q, then who is the last speaker to speak?
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Five persons A, B, C, D and E are being compared in weight and height. The second heaviest person D is the shortest. A is the 2nd tallest and shorter than E, the heaviest person is the third tallest person. There is the only one person shorter than B, who is lighter than E and A respectively. Who is the heaviest person?
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A, B, C, D, E, and F are six cities which are collinear in the same order. The distance between any two adjacent cities is equal. A bus starts at A for city F. It takes 25 minutes for the bus to travel from one city to another and stops for 5 minutes at each place. If the bus reaches E at 8.55, then at what time did it reach station B?
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Four cars numbered as C1, C2, C3, and C4 are participating in a car rally. They have to travel from P to Q then to R. After the race, the following is observed.
i. The digit in the care number and the order in which they depart or arrive at any point is not the same.
ii. The first car to leave P is the second car to reach R.
iii. The first car to reach R is the second car to leave P and last car to reach Q
Which is the first car to leave P?
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B1, B2 and B 3 are the three buses that travel from Mumbai to Delhi. Each bus starts at a different time and arrives at different time. The digit in the bus number and the order of their departure of arrival is not the same. The first bus to leave Mumbai is the third bus to reach Delhi.
Which is the second bus to reach Delhi?
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