Aptitude Tests 4 Me

Basic Numeracy/Quantitative Aptitude

955. Dexter and Prexter are competing with each other in a friendly community competition in a pool of 50m length and the race is for 1000m. Dexter crosses 50m in 2 min and Prexter in 3 min 15 sec. Each time they meet/cross each other, they do handshake's. How many such handshake's will happen if they start from the same end at the same time?

 (a) 18 (b) 19 (c) 20 (d) 17

956. A ball is thrown twice from a place with the gap of 34 minutes between the two shots. A person approaching this point in a bus heard the second shot 33 minutes after he heard the first shot. What is the speed of bus (in kmph) if sound travels at 330 m/s?

 (a) 30 (b) 33 (c) 36 (d) 42

957. Three friends A, B and C run around a circular track of length 120 metres at speeds of 5 m/s, 7 m/sec and 15 m/sec, starting simultaneously from the same point and in the same direction. How often will the three of them meet?

 (a) Every 60 seconds (b) Every 120 seconds (c) Every 30 seconds (d) None of these

958. A man can hit a target once in 4 shots. If he fires 4 shots in succession, what is the probability that he will hit his target?

 (a) 1 (b) 1/256 (c) 81/256 (d) 175/256

959. Dinesh speaks truth in 3/4 cases and Abhishek lies in 1/5 cases. What is the percentage of cases in which both Dinesh and Abhishek contradict each other in stating a fact?

 (a) 60% (b) 30% (c) 20% (d) 15%

TOTAL

Detailed Solution

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