# Persistent Systems Aptitude Questions with Answers

8 previously-asked aptitude questions from Persistent Systems's hiring process, each with the correct answer and a worked explanation. Written against the company's actual test pattern.

_Source: Astra (https://useastra.in). Updated 2026-09-05._

### 1. What is 250 increased by 20%?

A. 300
B. 270
C. 320
D. 280

**Answer:** 300

**Explanation:** 20% of 250 is 50, so 250 + 50 = 300.

### 2. An item costing Rs 500 is sold for Rs 450. What is the loss percentage?

A. 10%
B. 5%
C. 15%
D. 20%

**Answer:** 10%

**Explanation:** Loss = 50 on cost 500, so loss percent = 50/500 * 100 = 10%.

### 3. What is the average of 4, 8, 12, 16 and 20?

A. 12
B. 10
C. 14
D. 16

**Answer:** 12

**Explanation:** Sum is 60 and there are 5 numbers, so the average is 60 / 5 = 12.

### 4. Convert 45 km/h into metres per second.

A. 12.5 m/s
B. 15 m/s
C. 10 m/s
D. 20 m/s

**Answer:** 12.5 m/s

**Explanation:** Multiply by 5/18: 45 * 5/18 = 12.5 m/s.

### 5. Find the next term in the series: 3, 9, 27, 81, ?

A. 243
B. 162
C. 200
D. 240

**Answer:** 243

**Explanation:** Each term is three times the previous, so 81 * 3 = 243.

### 6. Author is to Book as Composer is to ?

A. Symphony
B. Guitar
C. Note
D. Band

**Answer:** Symphony

**Explanation:** An author creates a book just as a composer creates a symphony.

### 7. Find the odd one out: Dog, Cat, Lion, Sparrow.

A. Sparrow
B. Dog
C. Cat
D. Lion

**Answer:** Sparrow

**Explanation:** Dog, cat, and lion are mammals, but a sparrow is a bird.

### 8. Which direction is directly opposite to North East?

A. South West
B. North West
C. South East
D. North

**Answer:** South West

**Explanation:** The direction opposite to North East is South West.

More Persistent Systems preparation, including the full recruitment process: https://useastra.in/campus/persistent