Aptitude Quiz - Competitive Exams State_PSC

Free practice quiz: Aptitude (Competitive Exams State_PSC). 68 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What is the average of the first 10 natural numbers?

   1. 5.5
   2. 6
   3. 5
   4. 4.5
   Show answer

   Answer: A. 5.5

2. The average of 5 numbers is 27. If one number is excluded, the average of the remaining numbers becomes 25. What is the excluded number?

   1. 35
   2. 30
   3. 40
   4. 32
   Show answer

   Answer: A. 35

3. A person travels from A to B at 60 km/h and returns from B to A at 40 km/h. What is the average speed for the whole journey?

   1. 52 km/h
   2. 48 km/h
   3. 55 km/h
   4. 50 km/h
   Show answer

   Answer: B. 48 km/h

4. A bag contains 4 red and 6 blue balls. Two balls are drawn at random. What is the probability that both are red?

   1. 1/5
   2. 2/15
   3. 2/25
   4. 4/25
   Show answer

   Answer: B. 2/15

5. A right circular cylinder has a base radius of 7 cm and height of 10 cm. What is its curved surface area? (Take π = 22/7)

   1. 550 cm²
   2. 440 cm²
   3. 220 cm²
   4. 330 cm²
   Show answer

   Answer: B. 440 cm²

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