# Zoho Aptitude Questions with Answers

8 previously-asked aptitude questions from Zoho'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. 64 is what percentage of 400?

A. 16%
B. 20%
C. 12%
D. 25%

**Answer:** 16%

**Explanation:** 64 / 400 * 100 = 16%.

### 2. One pipe fills a tank in 6 hours and another in 3 hours. How long to fill it together?

A. 2 hours
B. 3 hours
C. 4 hours
D. 1.5 hours

**Answer:** 2 hours

**Explanation:** Combined rate = 1/6 + 1/3 = 1/2, so the tank fills in 2 hours.

### 3. What is the sum of the first 10 natural numbers?

A. 55
B. 45
C. 50
D. 100

**Answer:** 55

**Explanation:** Sum = n(n+1)/2 = 10 * 11 / 2 = 55.

### 4. A clock gains 5 minutes every hour. How much does it gain in 12 hours?

A. 60 minutes
B. 55 minutes
C. 50 minutes
D. 72 minutes

**Answer:** 60 minutes

**Explanation:** 5 minutes per hour times 12 hours = 60 minutes.

### 5. Find the next term in the series: 1, 4, 9, 16, 25, ?

A. 36
B. 30
C. 49
D. 35

**Answer:** 36

**Explanation:** These are perfect squares, so the next is 6 squared = 36.

### 6. How many squares in total are there in a 3 by 3 grid?

A. 14
B. 9
C. 10
D. 13

**Answer:** 14

**Explanation:** Count squares of each size: nine 1x1, four 2x2, and one 3x3, giving 9 + 4 + 1 = 14.

### 7. In a code where A is Z, B is Y, and so on, what does D represent?

A. W
B. X
C. V
D. Y

**Answer:** W

**Explanation:** The alphabet is reversed: A=Z, B=Y, C=X, D=W.

### 8. If today is Wednesday, what day will it be after 100 days?

A. Friday
B. Thursday
C. Saturday
D. Monday

**Answer:** Friday

**Explanation:** 100 mod 7 = 2, so two days after Wednesday is Friday.

More Zoho preparation, including the full recruitment process: https://useastra.in/campus/zoho