# Aptitude [Tata Infotech Placement]: Sample Questions 27 - 29 of 41

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## Question 27

Aptitude
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### Write in Short

The average salary of 3 workers is 95 ₹ Per week. If one earns ₹ 115 and second earns ₹ 65 then what is the salary of the 3rd worker?

### Explanation

• Salary of 3 workers is 95 ₹ per week.
• One person earns ₹ 115 and second person earns ₹ 65.
• We are asked to find the salary of 3rd worker. Let it be ₹ x.

• Salary of 3rd worker is ₹ 105.

## Question 28

Aptitude
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### Write in Short

Complete the following series.

10, 18, 15, 23,20, 28, ________

### Explanation

• Dividing the given series into two parts of odd and even terms,
• Odd term series: 10,15, 20, …
• Even term series: 28,23, 28, …
• Next term will follow the same pattern followed by odd term series.
• Here, each term is incremented by five numbers, i.e.. Difference between two consecutive terms is + 5.
• So, next term will be

## Question 29

Aptitude
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### Write in Short

Complete the following series.

18, 20, 22, 20,28, 20, ________

### Explanation

• Dividing the given series into two parts of odd and even terms,
• Odd term series: 18,22, 28, …
• Even term series: 20,20, 20, …
• Next term will follow the same pattern as odd term series is following.
• Here, first and second terms are 18 and 22, i.e.. Difference between them is + 4.
• Second and third terms are 22 and 28, i.e.. Difference between them is + 6.
• Same way, difference between third and fourth term should be + 8.
• So, fourth term will be
• Next term of the series is 36.

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